Finding the Fourth Proportional to 2,448.08, 3,672.12 and 908.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,448.08 : 3,672.12 = 908.72 : x
2. Step 2: Convert to fraction form
   2,448.08/3,672.12 = 908.72/x
3. Step 3: Cross multiply
   2,448.08x = 3,672.12 × 908.72
4. Step 4: Simplify right side
   2,448.08x = 3,336,928.89
5. Step 5: Solve for x
   x = 3,336,928.89/2,448.08
6. Step 6: Final answer
   x = 1,363.08