Finding the Fourth Proportional to 9,229.20, 12,736.20 and 5,037.45

Step by Step Solution

1. Step 1: Write the proportion equation
   9,229.20 : 12,736.20 = 5,037.45 : x
2. Step 2: Convert to fraction form
   9,229.20/12,736.20 = 5,037.45/x
3. Step 3: Cross multiply
   9,229.20x = 12,736.20 × 5,037.45
4. Step 4: Simplify right side
   9,229.20x = 64,157,970.69
5. Step 5: Solve for x
   x = 64,157,970.69/9,229.20
6. Step 6: Final answer
   x = 6,951.63