Finding the Fourth Proportional to 2,503.76, 3,754.91 and 748.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,503.76 : 3,754.91 = 748.69 : x
2. Step 2: Convert to fraction form
   2,503.76/3,754.91 = 748.69/x
3. Step 3: Cross multiply
   2,503.76x = 3,754.91 × 748.69
4. Step 4: Simplify right side
   2,503.76x = 2,811,272.96
5. Step 5: Solve for x
   x = 2,811,272.96/2,503.76
6. Step 6: Final answer
   x = 1,122.82