Finding the Fourth Proportional to 31,532.22, 43,513.88 and 17,385.03

Step by Step Solution

1. Step 1: Write the proportion equation
   31,532.22 : 43,513.88 = 17,385.03 : x
2. Step 2: Convert to fraction form
   31,532.22/43,513.88 = 17,385.03/x
3. Step 3: Cross multiply
   31,532.22x = 43,513.88 × 17,385.03
4. Step 4: Simplify right side
   31,532.22x = 756,490,022.29
5. Step 5: Solve for x
   x = 756,490,022.29/31,532.22
6. Step 6: Final answer
   x = 23,991.02