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Finding the Fourth Proportional to 91,458.42, 126,224.19 and 55,646.28

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Solution

The fourth proportional to 91,458.42, 126,224.19 and 55,646.28 is: 76,798.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,458.42 : 126,224.19 = 55,646.28 : x
  2. Step 2: Convert to fraction form
    91,458.42/126,224.19 = 55,646.28/x
  3. Step 3: Cross multiply
    91,458.42x = 126,224.19 × 55,646.28
  4. Step 4: Simplify right side
    91,458.42x = 7,023,906,619.51
  5. Step 5: Solve for x
    x = 7,023,906,619.51/91,458.42
  6. Step 6: Final answer
    x = 76,798.91

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