Finding the Fourth Proportional to 9,447.24, 13,037.52 and 5,414.78

Step by Step Solution

1. Step 1: Write the proportion equation
   9,447.24 : 13,037.52 = 5,414.78 : x
2. Step 2: Convert to fraction form
   9,447.24/13,037.52 = 5,414.78/x
3. Step 3: Cross multiply
   9,447.24x = 13,037.52 × 5,414.78
4. Step 4: Simplify right side
   9,447.24x = 70,595,302.55
5. Step 5: Solve for x
   x = 70,595,302.55/9,447.24
6. Step 6: Final answer
   x = 7,472.58