Finding the Fourth Proportional to 17,155.36, 25,729.16 and 8,713.31

Step by Step Solution

1. Step 1: Write the proportion equation
   17,155.36 : 25,729.16 = 8,713.31 : x
2. Step 2: Convert to fraction form
   17,155.36/25,729.16 = 8,713.31/x
3. Step 3: Cross multiply
   17,155.36x = 25,729.16 × 8,713.31
4. Step 4: Simplify right side
   17,155.36x = 224,186,147.12
5. Step 5: Solve for x
   x = 224,186,147.12/17,155.36
6. Step 6: Final answer
   x = 13,068.00