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Finding the Fourth Proportional to 64,278.08, 96,565.12 and 45,604.48

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Solution

The fourth proportional to 64,278.08, 96,565.12 and 45,604.48 is: 68,511.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,278.08 : 96,565.12 = 45,604.48 : x
  2. Step 2: Convert to fraction form
    64,278.08/96,565.12 = 45,604.48/x
  3. Step 3: Cross multiply
    64,278.08x = 96,565.12 × 45,604.48
  4. Step 4: Simplify right side
    64,278.08x = 4,403,802,083.74
  5. Step 5: Solve for x
    x = 4,403,802,083.74/64,278.08
  6. Step 6: Final answer
    x = 68,511.72

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