Finding the Fourth Proportional to 2,089.62, 2,883.68 and 1,158.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,089.62 : 2,883.68 = 1,158.12 : x
2. Step 2: Convert to fraction form
   2,089.62/2,883.68 = 1,158.12/x
3. Step 3: Cross multiply
   2,089.62x = 2,883.68 × 1,158.12
4. Step 4: Simplify right side
   2,089.62x = 3,339,647.48
5. Step 5: Solve for x
   x = 3,339,647.48/2,089.62
6. Step 6: Final answer
   x = 1,598.21