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Finding the Fourth Proportional to 528,052.60, 792,078.90 and 173,078.20

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Solution

The fourth proportional to 528,052.60, 792,078.90 and 173,078.20 is: 259,617.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,052.60 : 792,078.90 = 173,078.20 : x
  2. Step 2: Convert to fraction form
    528,052.60/792,078.90 = 173,078.20/x
  3. Step 3: Cross multiply
    528,052.60x = 792,078.90 × 173,078.20
  4. Step 4: Simplify right side
    528,052.60x = 137,091,590,269.98
  5. Step 5: Solve for x
    x = 137,091,590,269.98/528,052.60
  6. Step 6: Final answer
    x = 259,617.30

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