Finding the Fourth Proportional to 2,086.24, 2,878.90 and 1,141.99

Step by Step Solution

1. Step 1: Write the proportion equation
   2,086.24 : 2,878.90 = 1,141.99 : x
2. Step 2: Convert to fraction form
   2,086.24/2,878.90 = 1,141.99/x
3. Step 3: Cross multiply
   2,086.24x = 2,878.90 × 1,141.99
4. Step 4: Simplify right side
   2,086.24x = 3,287,675.01
5. Step 5: Solve for x
   x = 3,287,675.01/2,086.24
6. Step 6: Final answer
   x = 1,575.89