Finding the Fourth Proportional to 5,081.59, 7,012.65 and 2,843.65

Step by Step Solution

1. Step 1: Write the proportion equation
   5,081.59 : 7,012.65 = 2,843.65 : x
2. Step 2: Convert to fraction form
   5,081.59/7,012.65 = 2,843.65/x
3. Step 3: Cross multiply
   5,081.59x = 7,012.65 × 2,843.65
4. Step 4: Simplify right side
   5,081.59x = 19,941,522.17
5. Step 5: Solve for x
   x = 19,941,522.17/5,081.59
6. Step 6: Final answer
   x = 3,924.27