Finding the Fourth Proportional to 2,089.56, 2,883.61 and 1,158.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,089.56 : 2,883.61 = 1,158.06 : x
2. Step 2: Convert to fraction form
   2,089.56/2,883.61 = 1,158.06/x
3. Step 3: Cross multiply
   2,089.56x = 2,883.61 × 1,158.06
4. Step 4: Simplify right side
   2,089.56x = 3,339,393.40
5. Step 5: Solve for x
   x = 3,339,393.40/2,089.56
6. Step 6: Final answer
   x = 1,598.13