Finding the Fourth Proportional to 31,540, 43,525.50 and 17,393.32

Step by Step Solution

1. Step 1: Write the proportion equation
   31,540 : 43,525.50 = 17,393.32 : x
2. Step 2: Convert to fraction form
   31,540/43,525.50 = 17,393.32/x
3. Step 3: Cross multiply
   31,540x = 43,525.50 × 17,393.32
4. Step 4: Simplify right side
   31,540x = 757,052,949.66
5. Step 5: Solve for x
   x = 757,052,949.66/31,540
6. Step 6: Final answer
   x = 24,002.95