Finding the Fourth Proportional to 2,503.63, 3,755.64 and 748.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,503.63 : 3,755.64 = 748.50 : x
2. Step 2: Convert to fraction form
   2,503.63/3,755.64 = 748.50/x
3. Step 3: Cross multiply
   2,503.63x = 3,755.64 × 748.50
4. Step 4: Simplify right side
   2,503.63x = 2,811,096.54
5. Step 5: Solve for x
   x = 2,811,096.54/2,503.63
6. Step 6: Final answer
   x = 1,122.81