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Finding the Fourth Proportional to 104,433.60, 156,553.20 and 72,843.60

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Solution

The fourth proportional to 104,433.60, 156,553.20 and 72,843.60 is: 109,197.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,433.60 : 156,553.20 = 72,843.60 : x
  2. Step 2: Convert to fraction form
    104,433.60/156,553.20 = 72,843.60/x
  3. Step 3: Cross multiply
    104,433.60x = 156,553.20 × 72,843.60
  4. Step 4: Simplify right side
    104,433.60x = 11,403,898,679.52
  5. Step 5: Solve for x
    x = 11,403,898,679.52/104,433.60
  6. Step 6: Final answer
    x = 109,197.60

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