Finding the Fourth Proportional to 2,296.08, 3,168.72 and 1,248.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,296.08 : 3,168.72 = 1,248.12 : x
2. Step 2: Convert to fraction form
   2,296.08/3,168.72 = 1,248.12/x
3. Step 3: Cross multiply
   2,296.08x = 3,168.72 × 1,248.12
4. Step 4: Simplify right side
   2,296.08x = 3,954,942.81
5. Step 5: Solve for x
   x = 3,954,942.81/2,296.08
6. Step 6: Final answer
   x = 1,722.48