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Finding the Fourth Proportional to 78,387.48, 108,176.15 and 44,403.03

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Solution

The fourth proportional to 78,387.48, 108,176.15 and 44,403.03 is: 61,276.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,387.48 : 108,176.15 = 44,403.03 : x
  2. Step 2: Convert to fraction form
    78,387.48/108,176.15 = 44,403.03/x
  3. Step 3: Cross multiply
    78,387.48x = 108,176.15 × 44,403.03
  4. Step 4: Simplify right side
    78,387.48x = 4,803,348,611.72
  5. Step 5: Solve for x
    x = 4,803,348,611.72/78,387.48
  6. Step 6: Final answer
    x = 61,276.99

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