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Finding the Fourth Proportional to 78,446.02, 108,257.16 and 48,248.41

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Solution

The fourth proportional to 78,446.02, 108,257.16 and 48,248.41 is: 66,583.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,446.02 : 108,257.16 = 48,248.41 : x
  2. Step 2: Convert to fraction form
    78,446.02/108,257.16 = 48,248.41/x
  3. Step 3: Cross multiply
    78,446.02x = 108,257.16 × 48,248.41
  4. Step 4: Simplify right side
    78,446.02x = 5,223,235,841.12
  5. Step 5: Solve for x
    x = 5,223,235,841.12/78,446.02
  6. Step 6: Final answer
    x = 66,583.82

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