Finding the Fourth Proportional to 2,885.16, 3,979.86 and 1,822.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,885.16 : 3,979.86 = 1,822.54 : x
2. Step 2: Convert to fraction form
   2,885.16/3,979.86 = 1,822.54/x
3. Step 3: Cross multiply
   2,885.16x = 3,979.86 × 1,822.54
4. Step 4: Simplify right side
   2,885.16x = 7,253,454.04
5. Step 5: Solve for x
   x = 7,253,454.04/2,885.16
6. Step 6: Final answer
   x = 2,514.06