Finding the Fourth Proportional to 2,092.69, 3,137.24 and 859.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,092.69 : 3,137.24 = 859.33 : x
2. Step 2: Convert to fraction form
   2,092.69/3,137.24 = 859.33/x
3. Step 3: Cross multiply
   2,092.69x = 3,137.24 × 859.33
4. Step 4: Simplify right side
   2,092.69x = 2,695,924.45
5. Step 5: Solve for x
   x = 2,695,924.45/2,092.69
6. Step 6: Final answer
   x = 1,288.26