Finding the Fourth Proportional to 2,255.55, 3,382.31 and 1,022.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,255.55 : 3,382.31 = 1,022.91 : x
2. Step 2: Convert to fraction form
   2,255.55/3,382.31 = 1,022.91/x
3. Step 3: Cross multiply
   2,255.55x = 3,382.31 × 1,022.91
4. Step 4: Simplify right side
   2,255.55x = 3,459,793.61
5. Step 5: Solve for x
   x = 3,459,793.61/2,255.55
6. Step 6: Final answer
   x = 1,533.90