Finding the Fourth Proportional to 2,549.55, 3,826.17 and 906.11

Step by Step Solution

1. Step 1: Write the proportion equation
   2,549.55 : 3,826.17 = 906.11 : x
2. Step 2: Convert to fraction form
   2,549.55/3,826.17 = 906.11/x
3. Step 3: Cross multiply
   2,549.55x = 3,826.17 × 906.11
4. Step 4: Simplify right side
   2,549.55x = 3,466,930.90
5. Step 5: Solve for x
   x = 3,466,930.90/2,549.55
6. Step 6: Final answer
   x = 1,359.82