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Finding the Fourth Proportional to 64,415.28, 88,848.12 and 62,247.72

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Solution

The fourth proportional to 64,415.28, 88,848.12 and 62,247.72 is: 85,858.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,415.28 : 88,848.12 = 62,247.72 : x
  2. Step 2: Convert to fraction form
    64,415.28/88,848.12 = 62,247.72/x
  3. Step 3: Cross multiply
    64,415.28x = 88,848.12 × 62,247.72
  4. Step 4: Simplify right side
    64,415.28x = 5,530,592,896.29
  5. Step 5: Solve for x
    x = 5,530,592,896.29/64,415.28
  6. Step 6: Final answer
    x = 85,858.40

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