Finding the Fourth Proportional to 2,061.78, 3,093.06 and 1,086.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,061.78 : 3,093.06 = 1,086.96 : x
2. Step 2: Convert to fraction form
   2,061.78/3,093.06 = 1,086.96/x
3. Step 3: Cross multiply
   2,061.78x = 3,093.06 × 1,086.96
4. Step 4: Simplify right side
   2,061.78x = 3,362,032.50
5. Step 5: Solve for x
   x = 3,362,032.50/2,061.78
6. Step 6: Final answer
   x = 1,630.65