Finding the Fourth Proportional to 31,401.47, 43,333.99 and 17,255.23

Step by Step Solution

1. Step 1: Write the proportion equation
   31,401.47 : 43,333.99 = 17,255.23 : x
2. Step 2: Convert to fraction form
   31,401.47/43,333.99 = 17,255.23/x
3. Step 3: Cross multiply
   31,401.47x = 43,333.99 × 17,255.23
4. Step 4: Simplify right side
   31,401.47x = 747,737,812.79
5. Step 5: Solve for x
   x = 747,737,812.79/31,401.47
6. Step 6: Final answer
   x = 23,812.19