Finding the Fourth Proportional to 7,018.91, 10,519.27 and 2,854.04

Step by Step Solution

1. Step 1: Write the proportion equation
   7,018.91 : 10,519.27 = 2,854.04 : x
2. Step 2: Convert to fraction form
   7,018.91/10,519.27 = 2,854.04/x
3. Step 3: Cross multiply
   7,018.91x = 10,519.27 × 2,854.04
4. Step 4: Simplify right side
   7,018.91x = 30,022,436.51
5. Step 5: Solve for x
   x = 30,022,436.51/7,018.91
6. Step 6: Final answer
   x = 4,277.37