Finding the Fourth Proportional to 2,088.26, 3,131.17 and 789.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,088.26 : 3,131.17 = 789.83 : x
2. Step 2: Convert to fraction form
   2,088.26/3,131.17 = 789.83/x
3. Step 3: Cross multiply
   2,088.26x = 3,131.17 × 789.83
4. Step 4: Simplify right side
   2,088.26x = 2,473,072.40
5. Step 5: Solve for x
   x = 2,473,072.40/2,088.26
6. Step 6: Final answer
   x = 1,184.28