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Finding the Fourth Proportional to 45,411.78, 68,128.60 and 14,247.02

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Solution

The fourth proportional to 45,411.78, 68,128.60 and 14,247.02 is: 21,373.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,411.78 : 68,128.60 = 14,247.02 : x
  2. Step 2: Convert to fraction form
    45,411.78/68,128.60 = 14,247.02/x
  3. Step 3: Cross multiply
    45,411.78x = 68,128.60 × 14,247.02
  4. Step 4: Simplify right side
    45,411.78x = 970,629,526.77
  5. Step 5: Solve for x
    x = 970,629,526.77/45,411.78
  6. Step 6: Final answer
    x = 21,373.96

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