Finding the Fourth Proportional to 31,669.50, 43,703.85 and 17,522.31

Step by Step Solution

1. Step 1: Write the proportion equation
   31,669.50 : 43,703.85 = 17,522.31 : x
2. Step 2: Convert to fraction form
   31,669.50/43,703.85 = 17,522.31/x
3. Step 3: Cross multiply
   31,669.50x = 43,703.85 × 17,522.31
4. Step 4: Simplify right side
   31,669.50x = 765,792,407.89
5. Step 5: Solve for x
   x = 765,792,407.89/31,669.50
6. Step 6: Final answer
   x = 24,180.75