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Finding the Fourth Proportional to 78,196.44, 117,268.20 and 25,592.88

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Solution

The fourth proportional to 78,196.44, 117,268.20 and 25,592.88 is: 38,380.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,196.44 : 117,268.20 = 25,592.88 : x
  2. Step 2: Convert to fraction form
    78,196.44/117,268.20 = 25,592.88/x
  3. Step 3: Cross multiply
    78,196.44x = 117,268.20 × 25,592.88
  4. Step 4: Simplify right side
    78,196.44x = 3,001,230,970.42
  5. Step 5: Solve for x
    x = 3,001,230,970.42/78,196.44
  6. Step 6: Final answer
    x = 38,380.66

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