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Finding the Fourth Proportional to 59,614.40, 89,421.60 and 38,619.20

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Solution

The fourth proportional to 59,614.40, 89,421.60 and 38,619.20 is: 57,928.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,614.40 : 89,421.60 = 38,619.20 : x
  2. Step 2: Convert to fraction form
    59,614.40/89,421.60 = 38,619.20/x
  3. Step 3: Cross multiply
    59,614.40x = 89,421.60 × 38,619.20
  4. Step 4: Simplify right side
    59,614.40x = 3,453,390,654.72
  5. Step 5: Solve for x
    x = 3,453,390,654.72/59,614.40
  6. Step 6: Final answer
    x = 57,928.80

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