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Finding the Fourth Proportional to 104,635.92, 144,397.92 and 56,889.12

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Solution

The fourth proportional to 104,635.92, 144,397.92 and 56,889.12 is: 78,507.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,635.92 : 144,397.92 = 56,889.12 : x
  2. Step 2: Convert to fraction form
    104,635.92/144,397.92 = 56,889.12/x
  3. Step 3: Cross multiply
    104,635.92x = 144,397.92 × 56,889.12
  4. Step 4: Simplify right side
    104,635.92x = 8,214,670,598.63
  5. Step 5: Solve for x
    x = 8,214,670,598.63/104,635.92
  6. Step 6: Final answer
    x = 78,507.18

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