Finding the Fourth Proportional to 2,500.57, 3,748.41 and 1,268.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,500.57 : 3,748.41 = 1,268.56 : x
2. Step 2: Convert to fraction form
   2,500.57/3,748.41 = 1,268.56/x
3. Step 3: Cross multiply
   2,500.57x = 3,748.41 × 1,268.56
4. Step 4: Simplify right side
   2,500.57x = 4,755,082.99
5. Step 5: Solve for x
   x = 4,755,082.99/2,500.57
6. Step 6: Final answer
   x = 1,901.60