Finding the Fourth Proportional to 2,505.27, 3,756.72 and 749.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,505.27 : 3,756.72 = 749.60 : x
2. Step 2: Convert to fraction form
   2,505.27/3,756.72 = 749.60/x
3. Step 3: Cross multiply
   2,505.27x = 3,756.72 × 749.60
4. Step 4: Simplify right side
   2,505.27x = 2,816,018.53
5. Step 5: Solve for x
   x = 2,816,018.53/2,505.27
6. Step 6: Final answer
   x = 1,124.04