Finding the Fourth Proportional to 7,085.10, 10,619.85 and 2,922.83

Step by Step Solution

1. Step 1: Write the proportion equation
   7,085.10 : 10,619.85 = 2,922.83 : x
2. Step 2: Convert to fraction form
   7,085.10/10,619.85 = 2,922.83/x
3. Step 3: Cross multiply
   7,085.10x = 10,619.85 × 2,922.83
4. Step 4: Simplify right side
   7,085.10x = 31,040,016.18
5. Step 5: Solve for x
   x = 31,040,016.18/7,085.10
6. Step 6: Final answer
   x = 4,381.03