Finding the Fourth Proportional to 9,228.56, 12,735.72 and 5,037.20

Step by Step Solution

1. Step 1: Write the proportion equation
   9,228.56 : 12,735.72 = 5,037.20 : x
2. Step 2: Convert to fraction form
   9,228.56/12,735.72 = 5,037.20/x
3. Step 3: Cross multiply
   9,228.56x = 12,735.72 × 5,037.20
4. Step 4: Simplify right side
   9,228.56x = 64,152,368.78
5. Step 5: Solve for x
   x = 64,152,368.78/9,228.56
6. Step 6: Final answer
   x = 6,951.50