Finding the Fourth Proportional to 5,081.48, 7,012.42 and 2,843.34

Step by Step Solution

1. Step 1: Write the proportion equation
   5,081.48 : 7,012.42 = 2,843.34 : x
2. Step 2: Convert to fraction form
   5,081.48/7,012.42 = 2,843.34/x
3. Step 3: Cross multiply
   5,081.48x = 7,012.42 × 2,843.34
4. Step 4: Simplify right side
   5,081.48x = 19,938,694.28
5. Step 5: Solve for x
   x = 19,938,694.28/5,081.48
6. Step 6: Final answer
   x = 3,923.80