Finding the Fourth Proportional to 1,854.86, 2,782.33 and 867.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,854.86 : 2,782.33 = 867.41 : x
2. Step 2: Convert to fraction form
   1,854.86/2,782.33 = 867.41/x
3. Step 3: Cross multiply
   1,854.86x = 2,782.33 × 867.41
4. Step 4: Simplify right side
   1,854.86x = 2,413,404.79
5. Step 5: Solve for x
   x = 2,413,404.79/1,854.86
6. Step 6: Final answer
   x = 1,301.12