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Finding the Fourth Proportional to 77,644.44, 107,153.12 and 43,663.60

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Solution

The fourth proportional to 77,644.44, 107,153.12 and 43,663.60 is: 60,257.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,644.44 : 107,153.12 = 43,663.60 : x
  2. Step 2: Convert to fraction form
    77,644.44/107,153.12 = 43,663.60/x
  3. Step 3: Cross multiply
    77,644.44x = 107,153.12 × 43,663.60
  4. Step 4: Simplify right side
    77,644.44x = 4,678,690,970.43
  5. Step 5: Solve for x
    x = 4,678,690,970.43/77,644.44
  6. Step 6: Final answer
    x = 60,257.90

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