Finding the Fourth Proportional to 10,445.15, 14,414.18 and 5,729.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,445.15 : 14,414.18 = 5,729.42 : x
2. Step 2: Convert to fraction form
   10,445.15/14,414.18 = 5,729.42/x
3. Step 3: Cross multiply
   10,445.15x = 14,414.18 × 5,729.42
4. Step 4: Simplify right side
   10,445.15x = 82,584,790.46
5. Step 5: Solve for x
   x = 82,584,790.46/10,445.15
6. Step 6: Final answer
   x = 7,906.52