Finding the Fourth Proportional to 2,010.75, 3,017.43 and 1,086.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,010.75 : 3,017.43 = 1,086.96 : x
2. Step 2: Convert to fraction form
   2,010.75/3,017.43 = 1,086.96/x
3. Step 3: Cross multiply
   2,010.75x = 3,017.43 × 1,086.96
4. Step 4: Simplify right side
   2,010.75x = 3,279,825.71
5. Step 5: Solve for x
   x = 3,279,825.71/2,010.75
6. Step 6: Final answer
   x = 1,631.15