Finding the Fourth Proportional to 2,263.68, 3,391.32 and 1,168.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,263.68 : 3,391.32 = 1,168.72 : x
2. Step 2: Convert to fraction form
   2,263.68/3,391.32 = 1,168.72/x
3. Step 3: Cross multiply
   2,263.68x = 3,391.32 × 1,168.72
4. Step 4: Simplify right side
   2,263.68x = 3,963,503.51
5. Step 5: Solve for x
   x = 3,963,503.51/2,263.68
6. Step 6: Final answer
   x = 1,750.91