Finding the Fourth Proportional to 10,445.54, 14,414.76 and 5,729.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,445.54 : 14,414.76 = 5,729.78 : x
2. Step 2: Convert to fraction form
   10,445.54/14,414.76 = 5,729.78/x
3. Step 3: Cross multiply
   10,445.54x = 14,414.76 × 5,729.78
4. Step 4: Simplify right side
   10,445.54x = 82,593,439.59
5. Step 5: Solve for x
   x = 82,593,439.59/10,445.54
6. Step 6: Final answer
   x = 7,907.06