Finding the Fourth Proportional to 31,731.72, 43,788.32 and 17,585.48

Step by Step Solution

1. Step 1: Write the proportion equation
   31,731.72 : 43,788.32 = 17,585.48 : x
2. Step 2: Convert to fraction form
   31,731.72/43,788.32 = 17,585.48/x
3. Step 3: Cross multiply
   31,731.72x = 43,788.32 × 17,585.48
4. Step 4: Simplify right side
   31,731.72x = 770,038,625.59
5. Step 5: Solve for x
   x = 770,038,625.59/31,731.72
6. Step 6: Final answer
   x = 24,267.16