Finding the Fourth Proportional to 2,089.75, 2,883.86 and 1,158.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,089.75 : 2,883.86 = 1,158.25 : x
2. Step 2: Convert to fraction form
   2,089.75/2,883.86 = 1,158.25/x
3. Step 3: Cross multiply
   2,089.75x = 2,883.86 × 1,158.25
4. Step 4: Simplify right side
   2,089.75x = 3,340,230.85
5. Step 5: Solve for x
   x = 3,340,230.85/2,089.75
6. Step 6: Final answer
   x = 1,598.39