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Finding the Fourth Proportional to 72,067.33, 99,454.53 and 45,210.97

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Solution

The fourth proportional to 72,067.33, 99,454.53 and 45,210.97 is: 62,392.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,067.33 : 99,454.53 = 45,210.97 : x
  2. Step 2: Convert to fraction form
    72,067.33/99,454.53 = 45,210.97/x
  3. Step 3: Cross multiply
    72,067.33x = 99,454.53 × 45,210.97
  4. Step 4: Simplify right side
    72,067.33x = 4,496,435,772.19
  5. Step 5: Solve for x
    x = 4,496,435,772.19/72,067.33
  6. Step 6: Final answer
    x = 62,392.15

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