Finding the Fourth Proportional to 2,011.78, 3,023.82 and 1,968.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,011.78 : 3,023.82 = 1,968.71 : x
2. Step 2: Convert to fraction form
   2,011.78/3,023.82 = 1,968.71/x
3. Step 3: Cross multiply
   2,011.78x = 3,023.82 × 1,968.71
4. Step 4: Simplify right side
   2,011.78x = 5,953,014.83
5. Step 5: Solve for x
   x = 5,953,014.83/2,011.78
6. Step 6: Final answer
   x = 2,959.09