Finding the Fourth Proportional to 2,078.01, 3,101.81 and 1,831.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,078.01 : 3,101.81 = 1,831.98 : x
2. Step 2: Convert to fraction form
   2,078.01/3,101.81 = 1,831.98/x
3. Step 3: Cross multiply
   2,078.01x = 3,101.81 × 1,831.98
4. Step 4: Simplify right side
   2,078.01x = 5,682,444.72
5. Step 5: Solve for x
   x = 5,682,444.72/2,078.01
6. Step 6: Final answer
   x = 2,734.56