Finding the Fourth Proportional to 2,256.27, 3,111.93 and 1,942.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,256.27 : 3,111.93 = 1,942.05 : x
2. Step 2: Convert to fraction form
   2,256.27/3,111.93 = 1,942.05/x
3. Step 3: Cross multiply
   2,256.27x = 3,111.93 × 1,942.05
4. Step 4: Simplify right side
   2,256.27x = 6,043,523.66
5. Step 5: Solve for x
   x = 6,043,523.66/2,256.27
6. Step 6: Final answer
   x = 2,678.55