Finding the Fourth Proportional to 15,086.72, 22,623.24 and 7,695.20

Step by Step Solution

1. Step 1: Write the proportion equation
   15,086.72 : 22,623.24 = 7,695.20 : x
2. Step 2: Convert to fraction form
   15,086.72/22,623.24 = 7,695.20/x
3. Step 3: Cross multiply
   15,086.72x = 22,623.24 × 7,695.20
4. Step 4: Simplify right side
   15,086.72x = 174,090,356.45
5. Step 5: Solve for x
   x = 174,090,356.45/15,086.72
6. Step 6: Final answer
   x = 11,539.31