Finding the Fourth Proportional to 31,503.57, 43,472.03 and 17,353.05

Step by Step Solution

1. Step 1: Write the proportion equation
   31,503.57 : 43,472.03 = 17,353.05 : x
2. Step 2: Convert to fraction form
   31,503.57/43,472.03 = 17,353.05/x
3. Step 3: Cross multiply
   31,503.57x = 43,472.03 × 17,353.05
4. Step 4: Simplify right side
   31,503.57x = 754,372,223.43
5. Step 5: Solve for x
   x = 754,372,223.43/31,503.57
6. Step 6: Final answer
   x = 23,945.61