Finding the Fourth Proportional to 10,442.40, 14,410.48 and 5,726.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,442.40 : 14,410.48 = 5,726.72 : x
2. Step 2: Convert to fraction form
   10,442.40/14,410.48 = 5,726.72/x
3. Step 3: Cross multiply
   10,442.40x = 14,410.48 × 5,726.72
4. Step 4: Simplify right side
   10,442.40x = 82,524,784.03
5. Step 5: Solve for x
   x = 82,524,784.03/10,442.40
6. Step 6: Final answer
   x = 7,902.86