Finding the Fourth Proportional to 2,095.55, 3,144.83 and 779.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,095.55 : 3,144.83 = 779.48 : x
2. Step 2: Convert to fraction form
   2,095.55/3,144.83 = 779.48/x
3. Step 3: Cross multiply
   2,095.55x = 3,144.83 × 779.48
4. Step 4: Simplify right side
   2,095.55x = 2,451,339.95
5. Step 5: Solve for x
   x = 2,451,339.95/2,095.55
6. Step 6: Final answer
   x = 1,169.79