Finding the Fourth Proportional to 2,382.77, 3,566.37 and 2,155.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,382.77 : 3,566.37 = 2,155.43 : x
2. Step 2: Convert to fraction form
   2,382.77/3,566.37 = 2,155.43/x
3. Step 3: Cross multiply
   2,382.77x = 3,566.37 × 2,155.43
4. Step 4: Simplify right side
   2,382.77x = 7,687,043.06
5. Step 5: Solve for x
   x = 7,687,043.06/2,382.77
6. Step 6: Final answer
   x = 3,226.10