Finding the Fourth Proportional to 2,552.12, 3,827.62 and 908.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,552.12 : 3,827.62 = 908.72 : x
2. Step 2: Convert to fraction form
   2,552.12/3,827.62 = 908.72/x
3. Step 3: Cross multiply
   2,552.12x = 3,827.62 × 908.72
4. Step 4: Simplify right side
   2,552.12x = 3,478,234.85
5. Step 5: Solve for x
   x = 3,478,234.85/2,552.12
6. Step 6: Final answer
   x = 1,362.88