Finding the Fourth Proportional to 2,296.29, 3,168.89 and 1,248.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,296.29 : 3,168.89 = 1,248.35 : x
2. Step 2: Convert to fraction form
   2,296.29/3,168.89 = 1,248.35/x
3. Step 3: Cross multiply
   2,296.29x = 3,168.89 × 1,248.35
4. Step 4: Simplify right side
   2,296.29x = 3,955,861.75
5. Step 5: Solve for x
   x = 3,955,861.75/2,296.29
6. Step 6: Final answer
   x = 1,722.72