Finding the Fourth Proportional to 3,085.02, 4,255.37 and 2,022.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,085.02 : 4,255.37 = 2,022.86 : x
2. Step 2: Convert to fraction form
   3,085.02/4,255.37 = 2,022.86/x
3. Step 3: Cross multiply
   3,085.02x = 4,255.37 × 2,022.86
4. Step 4: Simplify right side
   3,085.02x = 8,608,005.72
5. Step 5: Solve for x
   x = 8,608,005.72/3,085.02
6. Step 6: Final answer
   x = 2,790.26