Finding the Fourth Proportional to 2,089.69, 2,883.78 and 1,158.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,089.69 : 2,883.78 = 1,158.19 : x
2. Step 2: Convert to fraction form
   2,089.69/2,883.78 = 1,158.19/x
3. Step 3: Cross multiply
   2,089.69x = 2,883.78 × 1,158.19
4. Step 4: Simplify right side
   2,089.69x = 3,339,957.95
5. Step 5: Solve for x
   x = 3,339,957.95/2,089.69
6. Step 6: Final answer
   x = 1,598.30