Finding the Fourth Proportional to 2,480.79, 3,721.32 and 749.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,480.79 : 3,721.32 = 749.37 : x
2. Step 2: Convert to fraction form
   2,480.79/3,721.32 = 749.37/x
3. Step 3: Cross multiply
   2,480.79x = 3,721.32 × 749.37
4. Step 4: Simplify right side
   2,480.79x = 2,788,634.39
5. Step 5: Solve for x
   x = 2,788,634.39/2,480.79
6. Step 6: Final answer
   x = 1,124.09