Finding the Fourth Proportional to 2,089.35, 2,883.31 and 1,157.85

Step by Step Solution

1. Step 1: Write the proportion equation
   2,089.35 : 2,883.31 = 1,157.85 : x
2. Step 2: Convert to fraction form
   2,089.35/2,883.31 = 1,157.85/x
3. Step 3: Cross multiply
   2,089.35x = 2,883.31 × 1,157.85
4. Step 4: Simplify right side
   2,089.35x = 3,338,434.69
5. Step 5: Solve for x
   x = 3,338,434.69/2,089.35
6. Step 6: Final answer
   x = 1,597.83