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Finding the Fourth Proportional to 78,906.48, 108,889.25 and 43,096.63

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Solution

The fourth proportional to 78,906.48, 108,889.25 and 43,096.63 is: 59,472.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,906.48 : 108,889.25 = 43,096.63 : x
  2. Step 2: Convert to fraction form
    78,906.48/108,889.25 = 43,096.63/x
  3. Step 3: Cross multiply
    78,906.48x = 108,889.25 × 43,096.63
  4. Step 4: Simplify right side
    78,906.48x = 4,692,759,718.23
  5. Step 5: Solve for x
    x = 4,692,759,718.23/78,906.48
  6. Step 6: Final answer
    x = 59,472.43

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