Finding the Fourth Proportional to 3,882.95, 5,786.96 and 3,876.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,882.95 : 5,786.96 = 3,876.78 : x
2. Step 2: Convert to fraction form
   3,882.95/5,786.96 = 3,876.78/x
3. Step 3: Cross multiply
   3,882.95x = 5,786.96 × 3,876.78
4. Step 4: Simplify right side
   3,882.95x = 22,434,778.72
5. Step 5: Solve for x
   x = 22,434,778.72/3,882.95
6. Step 6: Final answer
   x = 5,777.76