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Finding the Fourth Proportional to 519,088.80, 778,633.20 and 164,211.60

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Solution

The fourth proportional to 519,088.80, 778,633.20 and 164,211.60 is: 246,317.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,088.80 : 778,633.20 = 164,211.60 : x
  2. Step 2: Convert to fraction form
    519,088.80/778,633.20 = 164,211.60/x
  3. Step 3: Cross multiply
    519,088.80x = 778,633.20 × 164,211.60
  4. Step 4: Simplify right side
    519,088.80x = 127,860,603,585.12
  5. Step 5: Solve for x
    x = 127,860,603,585.12/519,088.80
  6. Step 6: Final answer
    x = 246,317.40

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