Finding the Fourth Proportional to 15,242.76, 22,863.42 and 7,443.72

Step by Step Solution

1. Step 1: Write the proportion equation
   15,242.76 : 22,863.42 = 7,443.72 : x
2. Step 2: Convert to fraction form
   15,242.76/22,863.42 = 7,443.72/x
3. Step 3: Cross multiply
   15,242.76x = 22,863.42 × 7,443.72
4. Step 4: Simplify right side
   15,242.76x = 170,188,896.72
5. Step 5: Solve for x
   x = 170,188,896.72/15,242.76
6. Step 6: Final answer
   x = 11,165.23