Finding the Fourth Proportional to 2,824.80, 3,925.16 and 2,794.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,824.80 : 3,925.16 = 2,794.42 : x
2. Step 2: Convert to fraction form
   2,824.80/3,925.16 = 2,794.42/x
3. Step 3: Cross multiply
   2,824.80x = 3,925.16 × 2,794.42
4. Step 4: Simplify right side
   2,824.80x = 10,968,545.61
5. Step 5: Solve for x
   x = 10,968,545.61/2,824.80
6. Step 6: Final answer
   x = 3,882.95