Finding the Fourth Proportional to 2,829.78, 4,233.69 and 2,480.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,829.78 : 4,233.69 = 2,480.49 : x
2. Step 2: Convert to fraction form
   2,829.78/4,233.69 = 2,480.49/x
3. Step 3: Cross multiply
   2,829.78x = 4,233.69 × 2,480.49
4. Step 4: Simplify right side
   2,829.78x = 10,501,625.71
5. Step 5: Solve for x
   x = 10,501,625.71/2,829.78
6. Step 6: Final answer
   x = 3,711.11