Finding the Fourth Proportional to 15,150.72, 22,728.24 and 4,758.96

Step by Step Solution

1. Step 1: Write the proportion equation
   15,150.72 : 22,728.24 = 4,758.96 : x
2. Step 2: Convert to fraction form
   15,150.72/22,728.24 = 4,758.96/x
3. Step 3: Cross multiply
   15,150.72x = 22,728.24 × 4,758.96
4. Step 4: Simplify right side
   15,150.72x = 108,162,785.03
5. Step 5: Solve for x
   x = 108,162,785.03/15,150.72
6. Step 6: Final answer
   x = 7,139.12