Finding the Fourth Proportional to 2,549.79, 3,824.82 and 906.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,549.79 : 3,824.82 = 906.12 : x
2. Step 2: Convert to fraction form
   2,549.79/3,824.82 = 906.12/x
3. Step 3: Cross multiply
   2,549.79x = 3,824.82 × 906.12
4. Step 4: Simplify right side
   2,549.79x = 3,465,745.90
5. Step 5: Solve for x
   x = 3,465,745.90/2,549.79
6. Step 6: Final answer
   x = 1,359.23