Finding the Fourth Proportional to 2,091.98, 3,138.84 and 1,168.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,091.98 : 3,138.84 = 1,168.18 : x
2. Step 2: Convert to fraction form
   2,091.98/3,138.84 = 1,168.18/x
3. Step 3: Cross multiply
   2,091.98x = 3,138.84 × 1,168.18
4. Step 4: Simplify right side
   2,091.98x = 3,666,730.11
5. Step 5: Solve for x
   x = 3,666,730.11/2,091.98
6. Step 6: Final answer
   x = 1,752.76