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Finding the Fourth Proportional to 266,059.20, 398,432.70 and 176,829.60

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Solution

The fourth proportional to 266,059.20, 398,432.70 and 176,829.60 is: 264,808.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,059.20 : 398,432.70 = 176,829.60 : x
  2. Step 2: Convert to fraction form
    266,059.20/398,432.70 = 176,829.60/x
  3. Step 3: Cross multiply
    266,059.20x = 398,432.70 × 176,829.60
  4. Step 4: Simplify right side
    266,059.20x = 70,454,694,967.92
  5. Step 5: Solve for x
    x = 70,454,694,967.92/266,059.20
  6. Step 6: Final answer
    x = 264,808.34

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