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Finding the Fourth Proportional to 453,111.11, 679,622.72 and 137,570.75

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Solution

The fourth proportional to 453,111.11, 679,622.72 and 137,570.75 is: 206,342.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,111.11 : 679,622.72 = 137,570.75 : x
  2. Step 2: Convert to fraction form
    453,111.11/679,622.72 = 137,570.75/x
  3. Step 3: Cross multiply
    453,111.11x = 679,622.72 × 137,570.75
  4. Step 4: Simplify right side
    453,111.11x = 93,496,203,221.47
  5. Step 5: Solve for x
    x = 93,496,203,221.47/453,111.11
  6. Step 6: Final answer
    x = 206,342.78

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