Finding the Fourth Proportional to 2,730.15, 4,091.79 and 1,168.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,730.15 : 4,091.79 = 1,168.31 : x
2. Step 2: Convert to fraction form
   2,730.15/4,091.79 = 1,168.31/x
3. Step 3: Cross multiply
   2,730.15x = 4,091.79 × 1,168.31
4. Step 4: Simplify right side
   2,730.15x = 4,780,473.33
5. Step 5: Solve for x
   x = 4,780,473.33/2,730.15
6. Step 6: Final answer
   x = 1,751.00