Finding the Fourth Proportional to 2,296.17, 3,168.69 and 1,248.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,296.17 : 3,168.69 = 1,248.23 : x
2. Step 2: Convert to fraction form
   2,296.17/3,168.69 = 1,248.23/x
3. Step 3: Cross multiply
   2,296.17x = 3,168.69 × 1,248.23
4. Step 4: Simplify right side
   2,296.17x = 3,955,253.92
5. Step 5: Solve for x
   x = 3,955,253.92/2,296.17
6. Step 6: Final answer
   x = 1,722.54