Finding the Fourth Proportional to 2,728.06, 4,094.42 and 1,085.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,728.06 : 4,094.42 = 1,085.76 : x
2. Step 2: Convert to fraction form
   2,728.06/4,094.42 = 1,085.76/x
3. Step 3: Cross multiply
   2,728.06x = 4,094.42 × 1,085.76
4. Step 4: Simplify right side
   2,728.06x = 4,445,557.46
5. Step 5: Solve for x
   x = 4,445,557.46/2,728.06
6. Step 6: Final answer
   x = 1,629.57