Finding the Fourth Proportional to 2,089.50, 2,883.69 and 1,158.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,089.50 : 2,883.69 = 1,158.18 : x
2. Step 2: Convert to fraction form
   2,089.50/2,883.69 = 1,158.18/x
3. Step 3: Cross multiply
   2,089.50x = 2,883.69 × 1,158.18
4. Step 4: Simplify right side
   2,089.50x = 3,339,832.08
5. Step 5: Solve for x
   x = 3,339,832.08/2,089.50
6. Step 6: Final answer
   x = 1,598.39