Finding the Fourth Proportional to 2,086.12, 2,878.92 and 1,154.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,086.12 : 2,878.92 = 1,154.62 : x
2. Step 2: Convert to fraction form
   2,086.12/2,878.92 = 1,154.62/x
3. Step 3: Cross multiply
   2,086.12x = 2,878.92 × 1,154.62
4. Step 4: Simplify right side
   2,086.12x = 3,324,058.61
5. Step 5: Solve for x
   x = 3,324,058.61/2,086.12
6. Step 6: Final answer
   x = 1,593.42