Finding the Fourth Proportional to 2,503.81, 3,755.57 and 748.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,503.81 : 3,755.57 = 748.82 : x
2. Step 2: Convert to fraction form
   2,503.81/3,755.57 = 748.82/x
3. Step 3: Cross multiply
   2,503.81x = 3,755.57 × 748.82
4. Step 4: Simplify right side
   2,503.81x = 2,812,242.18
5. Step 5: Solve for x
   x = 2,812,242.18/2,503.81
6. Step 6: Final answer
   x = 1,123.19