Finding the Fourth Proportional to 23,179.98, 31,988.01 and 13,108.17

Step by Step Solution

1. Step 1: Write the proportion equation
   23,179.98 : 31,988.01 = 13,108.17 : x
2. Step 2: Convert to fraction form
   23,179.98/31,988.01 = 13,108.17/x
3. Step 3: Cross multiply
   23,179.98x = 31,988.01 × 13,108.17
4. Step 4: Simplify right side
   23,179.98x = 419,304,273.04
5. Step 5: Solve for x
   x = 419,304,273.04/23,179.98
6. Step 6: Final answer
   x = 18,089.07