Finding the Fourth Proportional to 2,854.00, 4,272.89 and 1,867.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,854.00 : 4,272.89 = 1,867.96 : x
2. Step 2: Convert to fraction form
   2,854.00/4,272.89 = 1,867.96/x
3. Step 3: Cross multiply
   2,854.00x = 4,272.89 × 1,867.96
4. Step 4: Simplify right side
   2,854.00x = 7,981,566.24
5. Step 5: Solve for x
   x = 7,981,566.24/2,854.00
6. Step 6: Final answer
   x = 2,796.63