Finding the Fourth Proportional to 2,728.10, 4,093.31 and 1,168.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,728.10 : 4,093.31 = 1,168.45 : x
2. Step 2: Convert to fraction form
   2,728.10/4,093.31 = 1,168.45/x
3. Step 3: Cross multiply
   2,728.10x = 4,093.31 × 1,168.45
4. Step 4: Simplify right side
   2,728.10x = 4,782,820.76
5. Step 5: Solve for x
   x = 4,782,820.76/2,728.10
6. Step 6: Final answer
   x = 1,753.17