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Finding the Fourth Proportional to 352,861.96, 529,295.67 and 86,624.78

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Solution

The fourth proportional to 352,861.96, 529,295.67 and 86,624.78 is: 129,937.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,861.96 : 529,295.67 = 86,624.78 : x
  2. Step 2: Convert to fraction form
    352,861.96/529,295.67 = 86,624.78/x
  3. Step 3: Cross multiply
    352,861.96x = 529,295.67 × 86,624.78
  4. Step 4: Simplify right side
    352,861.96x = 45,850,120,968.70
  5. Step 5: Solve for x
    x = 45,850,120,968.70/352,861.96
  6. Step 6: Final answer
    x = 129,937.84

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