Finding the Fourth Proportional to 17,142.29, 25,707.93 and 5,452.78

Step by Step Solution

1. Step 1: Write the proportion equation
   17,142.29 : 25,707.93 = 5,452.78 : x
2. Step 2: Convert to fraction form
   17,142.29/25,707.93 = 5,452.78/x
3. Step 3: Cross multiply
   17,142.29x = 25,707.93 × 5,452.78
4. Step 4: Simplify right side
   17,142.29x = 140,179,686.55
5. Step 5: Solve for x
   x = 140,179,686.55/17,142.29
6. Step 6: Final answer
   x = 8,177.42