Finding the Fourth Proportional to 2,296.18, 3,168.78 and 1,248.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,296.18 : 3,168.78 = 1,248.24 : x
2. Step 2: Convert to fraction form
   2,296.18/3,168.78 = 1,248.24/x
3. Step 3: Cross multiply
   2,296.18x = 3,168.78 × 1,248.24
4. Step 4: Simplify right side
   2,296.18x = 3,955,397.95
5. Step 5: Solve for x
   x = 3,955,397.95/2,296.18
6. Step 6: Final answer
   x = 1,722.60