Finding the Fourth Proportional to 10,445.31, 14,414.72 and 5,729.54

Step by Step Solution

1. Step 1: Write the proportion equation
   10,445.31 : 14,414.72 = 5,729.54 : x
2. Step 2: Convert to fraction form
   10,445.31/14,414.72 = 5,729.54/x
3. Step 3: Cross multiply
   10,445.31x = 14,414.72 × 5,729.54
4. Step 4: Simplify right side
   10,445.31x = 82,589,614.11
5. Step 5: Solve for x
   x = 82,589,614.11/10,445.31
6. Step 6: Final answer
   x = 7,906.86