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Finding the Fourth Proportional to 99,684.77, 137,586.33 and 57,266.69

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Solution

The fourth proportional to 99,684.77, 137,586.33 and 57,266.69 is: 79,040.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,684.77 : 137,586.33 = 57,266.69 : x
  2. Step 2: Convert to fraction form
    99,684.77/137,586.33 = 57,266.69/x
  3. Step 3: Cross multiply
    99,684.77x = 137,586.33 × 57,266.69
  4. Step 4: Simplify right side
    99,684.77x = 7,879,113,020.42
  5. Step 5: Solve for x
    x = 7,879,113,020.42/99,684.77
  6. Step 6: Final answer
    x = 79,040.29

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