Finding the Fourth Proportional to 2,503.82, 3,755.30 and 748.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,503.82 : 3,755.30 = 748.78 : x
2. Step 2: Convert to fraction form
   2,503.82/3,755.30 = 748.78/x
3. Step 3: Cross multiply
   2,503.82x = 3,755.30 × 748.78
4. Step 4: Simplify right side
   2,503.82x = 2,811,880.40
5. Step 5: Solve for x
   x = 2,811,880.40/2,503.82
6. Step 6: Final answer
   x = 1,123.04