Finding the Fourth Proportional to 10,442.72, 14,411.04 and 5,726.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,442.72 : 14,411.04 = 5,726.72 : x
2. Step 2: Convert to fraction form
   10,442.72/14,411.04 = 5,726.72/x
3. Step 3: Cross multiply
   10,442.72x = 14,411.04 × 5,726.72
4. Step 4: Simplify right side
   10,442.72x = 82,527,990.99
5. Step 5: Solve for x
   x = 82,527,990.99/10,442.72
6. Step 6: Final answer
   x = 7,902.92