Finding the Fourth Proportional to 17,002.38, 25,513.42 and 7,140.80

Step by Step Solution

1. Step 1: Write the proportion equation
   17,002.38 : 25,513.42 = 7,140.80 : x
2. Step 2: Convert to fraction form
   17,002.38/25,513.42 = 7,140.80/x
3. Step 3: Cross multiply
   17,002.38x = 25,513.42 × 7,140.80
4. Step 4: Simplify right side
   17,002.38x = 182,186,229.54
5. Step 5: Solve for x
   x = 182,186,229.54/17,002.38
6. Step 6: Final answer
   x = 10,715.34