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Finding the Fourth Proportional to 88,708.40, 133,062.60 and 55,638.80

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Solution

The fourth proportional to 88,708.40, 133,062.60 and 55,638.80 is: 83,458.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,708.40 : 133,062.60 = 55,638.80 : x
  2. Step 2: Convert to fraction form
    88,708.40/133,062.60 = 55,638.80/x
  3. Step 3: Cross multiply
    88,708.40x = 133,062.60 × 55,638.80
  4. Step 4: Simplify right side
    88,708.40x = 7,403,443,388.88
  5. Step 5: Solve for x
    x = 7,403,443,388.88/88,708.40
  6. Step 6: Final answer
    x = 83,458.20

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