Finding the Fourth Proportional to 3,081.05, 4,251.52 and 1,822.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,081.05 : 4,251.52 = 1,822.15 : x
2. Step 2: Convert to fraction form
   3,081.05/4,251.52 = 1,822.15/x
3. Step 3: Cross multiply
   3,081.05x = 4,251.52 × 1,822.15
4. Step 4: Simplify right side
   3,081.05x = 7,746,907.17
5. Step 5: Solve for x
   x = 7,746,907.17/3,081.05
6. Step 6: Final answer
   x = 2,514.37