Finding the Fourth Proportional to 1,859.10, 2,767.41 and 1,831.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,859.10 : 2,767.41 = 1,831.42 : x
2. Step 2: Convert to fraction form
   1,859.10/2,767.41 = 1,831.42/x
3. Step 3: Cross multiply
   1,859.10x = 2,767.41 × 1,831.42
4. Step 4: Simplify right side
   1,859.10x = 5,068,290.02
5. Step 5: Solve for x
   x = 5,068,290.02/1,859.10
6. Step 6: Final answer
   x = 2,726.21