Finding the Fourth Proportional to 31,731.60, 43,792.20 and 17,589

Step by Step Solution

1. Step 1: Write the proportion equation
   31,731.60 : 43,792.20 = 17,589 : x
2. Step 2: Convert to fraction form
   31,731.60/43,792.20 = 17,589/x
3. Step 3: Cross multiply
   31,731.60x = 43,792.20 × 17,589
4. Step 4: Simplify right side
   31,731.60x = 770,261,005.80
5. Step 5: Solve for x
   x = 770,261,005.80/31,731.60
6. Step 6: Final answer
   x = 24,274.26