Finding the Fourth Proportional to 10,440.46, 14,407.98 and 5,724.43

Step by Step Solution

1. Step 1: Write the proportion equation
   10,440.46 : 14,407.98 = 5,724.43 : x
2. Step 2: Convert to fraction form
   10,440.46/14,407.98 = 5,724.43/x
3. Step 3: Cross multiply
   10,440.46x = 14,407.98 × 5,724.43
4. Step 4: Simplify right side
   10,440.46x = 82,477,472.95
5. Step 5: Solve for x
   x = 82,477,472.95/10,440.46
6. Step 6: Final answer
   x = 7,899.79