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Finding the Fourth Proportional to 65,165.22, 89,929.17 and 36,876.78

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Solution

The fourth proportional to 65,165.22, 89,929.17 and 36,876.78 is: 50,890.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,165.22 : 89,929.17 = 36,876.78 : x
  2. Step 2: Convert to fraction form
    65,165.22/89,929.17 = 36,876.78/x
  3. Step 3: Cross multiply
    65,165.22x = 89,929.17 × 36,876.78
  4. Step 4: Simplify right side
    65,165.22x = 3,316,298,217.67
  5. Step 5: Solve for x
    x = 3,316,298,217.67/65,165.22
  6. Step 6: Final answer
    x = 50,890.62

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