Finding the Fourth Proportional to 3,106.61, 4,284.89 and 2,162.73

Step by Step Solution

1. Step 1: Write the proportion equation
   3,106.61 : 4,284.89 = 2,162.73 : x
2. Step 2: Convert to fraction form
   3,106.61/4,284.89 = 2,162.73/x
3. Step 3: Cross multiply
   3,106.61x = 4,284.89 × 2,162.73
4. Step 4: Simplify right side
   3,106.61x = 9,267,060.15
5. Step 5: Solve for x
   x = 9,267,060.15/3,106.61
6. Step 6: Final answer
   x = 2,983.01