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Finding the Fourth Proportional to 88,728.64, 122,448.42 and 48,445.47

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Solution

The fourth proportional to 88,728.64, 122,448.42 and 48,445.47 is: 66,856.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,728.64 : 122,448.42 = 48,445.47 : x
  2. Step 2: Convert to fraction form
    88,728.64/122,448.42 = 48,445.47/x
  3. Step 3: Cross multiply
    88,728.64x = 122,448.42 × 48,445.47
  4. Step 4: Simplify right side
    88,728.64x = 5,932,070,981.40
  5. Step 5: Solve for x
    x = 5,932,070,981.40/88,728.64
  6. Step 6: Final answer
    x = 66,856.33

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