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Finding the Fourth Proportional to 259,554.25, 389,328.90 and 82,061.23

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Solution

The fourth proportional to 259,554.25, 389,328.90 and 82,061.23 is: 123,091.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,554.25 : 389,328.90 = 82,061.23 : x
  2. Step 2: Convert to fraction form
    259,554.25/389,328.90 = 82,061.23/x
  3. Step 3: Cross multiply
    259,554.25x = 389,328.90 × 82,061.23
  4. Step 4: Simplify right side
    259,554.25x = 31,948,808,408.55
  5. Step 5: Solve for x
    x = 31,948,808,408.55/259,554.25
  6. Step 6: Final answer
    x = 123,091.06

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