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Finding the Fourth Proportional to 91,906.86, 126,822.51 and 51,611.46

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Solution

The fourth proportional to 91,906.86, 126,822.51 and 51,611.46 is: 71,218.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,906.86 : 126,822.51 = 51,611.46 : x
  2. Step 2: Convert to fraction form
    91,906.86/126,822.51 = 51,611.46/x
  3. Step 3: Cross multiply
    91,906.86x = 126,822.51 × 51,611.46
  4. Step 4: Simplify right side
    91,906.86x = 6,545,494,901.96
  5. Step 5: Solve for x
    x = 6,545,494,901.96/91,906.86
  6. Step 6: Final answer
    x = 71,218.78

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