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Finding the Fourth Proportional to 78,662.60, 108,557.02 and 44,672.60

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Solution

The fourth proportional to 78,662.60, 108,557.02 and 44,672.60 is: 61,649.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,662.60 : 108,557.02 = 44,672.60 : x
  2. Step 2: Convert to fraction form
    78,662.60/108,557.02 = 44,672.60/x
  3. Step 3: Cross multiply
    78,662.60x = 108,557.02 × 44,672.60
  4. Step 4: Simplify right side
    78,662.60x = 4,849,524,331.65
  5. Step 5: Solve for x
    x = 4,849,524,331.65/78,662.60
  6. Step 6: Final answer
    x = 61,649.68

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