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Finding the Fourth Proportional to 123,849.76, 170,911.92 and 67,260.64

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Solution

The fourth proportional to 123,849.76, 170,911.92 and 67,260.64 is: 92,819.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,849.76 : 170,911.92 = 67,260.64 : x
  2. Step 2: Convert to fraction form
    123,849.76/170,911.92 = 67,260.64/x
  3. Step 3: Cross multiply
    123,849.76x = 170,911.92 × 67,260.64
  4. Step 4: Simplify right side
    123,849.76x = 11,495,645,122.83
  5. Step 5: Solve for x
    x = 11,495,645,122.83/123,849.76
  6. Step 6: Final answer
    x = 92,819.28

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