Finding the Fourth Proportional to 2,730.30, 4,093.02 and 1,086

Step by Step Solution

1. Step 1: Write the proportion equation
   2,730.30 : 4,093.02 = 1,086 : x
2. Step 2: Convert to fraction form
   2,730.30/4,093.02 = 1,086/x
3. Step 3: Cross multiply
   2,730.30x = 4,093.02 × 1,086
4. Step 4: Simplify right side
   2,730.30x = 4,445,019.72
5. Step 5: Solve for x
   x = 4,445,019.72/2,730.30
6. Step 6: Final answer
   x = 1,628.03