Finding the Fourth Proportional to 2,499.76, 3,748.16 and 1,037.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,499.76 : 3,748.16 = 1,037.20 : x
2. Step 2: Convert to fraction form
   2,499.76/3,748.16 = 1,037.20/x
3. Step 3: Cross multiply
   2,499.76x = 3,748.16 × 1,037.20
4. Step 4: Simplify right side
   2,499.76x = 3,887,591.55
5. Step 5: Solve for x
   x = 3,887,591.55/2,499.76
6. Step 6: Final answer
   x = 1,555.19