Finding the Fourth Proportional to 5,185.26, 7,778.69 and 2,065.29

Step by Step Solution

1. Step 1: Write the proportion equation
   5,185.26 : 7,778.69 = 2,065.29 : x
2. Step 2: Convert to fraction form
   5,185.26/7,778.69 = 2,065.29/x
3. Step 3: Cross multiply
   5,185.26x = 7,778.69 × 2,065.29
4. Step 4: Simplify right side
   5,185.26x = 16,065,211.78
5. Step 5: Solve for x
   x = 16,065,211.78/5,185.26
6. Step 6: Final answer
   x = 3,098.25