Finding the Fourth Proportional to 31,615.57, 43,629.40 and 17,468.31

Step by Step Solution

1. Step 1: Write the proportion equation
   31,615.57 : 43,629.40 = 17,468.31 : x
2. Step 2: Convert to fraction form
   31,615.57/43,629.40 = 17,468.31/x
3. Step 3: Cross multiply
   31,615.57x = 43,629.40 × 17,468.31
4. Step 4: Simplify right side
   31,615.57x = 762,131,884.31
5. Step 5: Solve for x
   x = 762,131,884.31/31,615.57
6. Step 6: Final answer
   x = 24,106.22