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Finding the Fourth Proportional to 528,070.70, 792,106.05 and 173,120.60

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Solution

The fourth proportional to 528,070.70, 792,106.05 and 173,120.60 is: 259,680.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,070.70 : 792,106.05 = 173,120.60 : x
  2. Step 2: Convert to fraction form
    528,070.70/792,106.05 = 173,120.60/x
  3. Step 3: Cross multiply
    528,070.70x = 792,106.05 × 173,120.60
  4. Step 4: Simplify right side
    528,070.70x = 137,129,874,639.63
  5. Step 5: Solve for x
    x = 137,129,874,639.63/528,070.70
  6. Step 6: Final answer
    x = 259,680.90

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