Finding the Fourth Proportional to 3,815.80, 5,265.86 and 2,323.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,815.80 : 5,265.86 = 2,323.78 : x
2. Step 2: Convert to fraction form
   3,815.80/5,265.86 = 2,323.78/x
3. Step 3: Cross multiply
   3,815.80x = 5,265.86 × 2,323.78
4. Step 4: Simplify right side
   3,815.80x = 12,236,700.15
5. Step 5: Solve for x
   x = 12,236,700.15/3,815.80
6. Step 6: Final answer
   x = 3,206.85