Finding the Fourth Proportional to 5,081.43, 7,012.72 and 2,843.51

Step by Step Solution

1. Step 1: Write the proportion equation
   5,081.43 : 7,012.72 = 2,843.51 : x
2. Step 2: Convert to fraction form
   5,081.43/7,012.72 = 2,843.51/x
3. Step 3: Cross multiply
   5,081.43x = 7,012.72 × 2,843.51
4. Step 4: Simplify right side
   5,081.43x = 19,940,739.45
5. Step 5: Solve for x
   x = 19,940,739.45/5,081.43
6. Step 6: Final answer
   x = 3,924.24