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Finding the Fourth Proportional to 74,218.14, 102,556.66 and 54,039.88

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Solution

The fourth proportional to 74,218.14, 102,556.66 and 54,039.88 is: 74,673.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,218.14 : 102,556.66 = 54,039.88 : x
  2. Step 2: Convert to fraction form
    74,218.14/102,556.66 = 54,039.88/x
  3. Step 3: Cross multiply
    74,218.14x = 102,556.66 × 54,039.88
  4. Step 4: Simplify right side
    74,218.14x = 5,542,149,599.60
  5. Step 5: Solve for x
    x = 5,542,149,599.60/74,218.14
  6. Step 6: Final answer
    x = 74,673.79

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