Finding the Fourth Proportional to 10,445.28, 14,414.67 and 5,729.55

Step by Step Solution

1. Step 1: Write the proportion equation
   10,445.28 : 14,414.67 = 5,729.55 : x
2. Step 2: Convert to fraction form
   10,445.28/14,414.67 = 5,729.55/x
3. Step 3: Cross multiply
   10,445.28x = 14,414.67 × 5,729.55
4. Step 4: Simplify right side
   10,445.28x = 82,589,572.50
5. Step 5: Solve for x
   x = 82,589,572.50/10,445.28
6. Step 6: Final answer
   x = 7,906.88