Finding the Fourth Proportional to 2,766.78, 3,818.10 and 1,524.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,766.78 : 3,818.10 = 1,524.78 : x
2. Step 2: Convert to fraction form
   2,766.78/3,818.10 = 1,524.78/x
3. Step 3: Cross multiply
   2,766.78x = 3,818.10 × 1,524.78
4. Step 4: Simplify right side
   2,766.78x = 5,821,762.52
5. Step 5: Solve for x
   x = 5,821,762.52/2,766.78
6. Step 6: Final answer
   x = 2,104.17