Finding the Fourth Proportional to 2,095.93, 3,142.85 and 779.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,095.93 : 3,142.85 = 779.27 : x
2. Step 2: Convert to fraction form
   2,095.93/3,142.85 = 779.27/x
3. Step 3: Cross multiply
   2,095.93x = 3,142.85 × 779.27
4. Step 4: Simplify right side
   2,095.93x = 2,449,128.72
5. Step 5: Solve for x
   x = 2,449,128.72/2,095.93
6. Step 6: Final answer
   x = 1,168.52