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Finding the Fourth Proportional to 104,407.18, 144,073.92 and 61,388.42

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Solution

The fourth proportional to 104,407.18, 144,073.92 and 61,388.42 is: 84,711.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,407.18 : 144,073.92 = 61,388.42 : x
  2. Step 2: Convert to fraction form
    104,407.18/144,073.92 = 61,388.42/x
  3. Step 3: Cross multiply
    104,407.18x = 144,073.92 × 61,388.42
  4. Step 4: Simplify right side
    104,407.18x = 8,844,469,821.84
  5. Step 5: Solve for x
    x = 8,844,469,821.84/104,407.18
  6. Step 6: Final answer
    x = 84,711.32

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