Finding the Fourth Proportional to 17,130.72, 25,695.72 and 7,896.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,130.72 : 25,695.72 = 7,896.72 : x
2. Step 2: Convert to fraction form
   17,130.72/25,695.72 = 7,896.72/x
3. Step 3: Cross multiply
   17,130.72x = 25,695.72 × 7,896.72
4. Step 4: Simplify right side
   17,130.72x = 202,911,906.04
5. Step 5: Solve for x
   x = 202,911,906.04/17,130.72
6. Step 6: Final answer
   x = 11,844.91