Finding the Fourth Proportional to 15,105.72, 22,653.18 and 5,743.25

Step by Step Solution

1. Step 1: Write the proportion equation
   15,105.72 : 22,653.18 = 5,743.25 : x
2. Step 2: Convert to fraction form
   15,105.72/22,653.18 = 5,743.25/x
3. Step 3: Cross multiply
   15,105.72x = 22,653.18 × 5,743.25
4. Step 4: Simplify right side
   15,105.72x = 130,102,847.72
5. Step 5: Solve for x
   x = 130,102,847.72/15,105.72
6. Step 6: Final answer
   x = 8,612.82