Finding the Fourth Proportional to 2,160.46, 2,982.86 and 1,662.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,160.46 : 2,982.86 = 1,662.22 : x
2. Step 2: Convert to fraction form
   2,160.46/2,982.86 = 1,662.22/x
3. Step 3: Cross multiply
   2,160.46x = 2,982.86 × 1,662.22
4. Step 4: Simplify right side
   2,160.46x = 4,958,158.79
5. Step 5: Solve for x
   x = 4,958,158.79/2,160.46
6. Step 6: Final answer
   x = 2,294.96