Finding the Fourth Proportional to 31,149.96, 42,986.16 and 17,003.04

Step by Step Solution

1. Step 1: Write the proportion equation
   31,149.96 : 42,986.16 = 17,003.04 : x
2. Step 2: Convert to fraction form
   31,149.96/42,986.16 = 17,003.04/x
3. Step 3: Cross multiply
   31,149.96x = 42,986.16 × 17,003.04
4. Step 4: Simplify right side
   31,149.96x = 730,895,397.93
5. Step 5: Solve for x
   x = 730,895,397.93/31,149.96
6. Step 6: Final answer
   x = 23,463.77