Finding the Fourth Proportional to 31,073.50, 42,881.73 and 17,645.04

Step by Step Solution

1. Step 1: Write the proportion equation
   31,073.50 : 42,881.73 = 17,645.04 : x
2. Step 2: Convert to fraction form
   31,073.50/42,881.73 = 17,645.04/x
3. Step 3: Cross multiply
   31,073.50x = 42,881.73 × 17,645.04
4. Step 4: Simplify right side
   31,073.50x = 756,649,841.12
5. Step 5: Solve for x
   x = 756,649,841.12/31,073.50
6. Step 6: Final answer
   x = 24,350.33