Finding the Fourth Proportional to 2,832.45, 3,909.39 and 2,162.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,832.45 : 3,909.39 = 2,162.01 : x
2. Step 2: Convert to fraction form
   2,832.45/3,909.39 = 2,162.01/x
3. Step 3: Cross multiply
   2,832.45x = 3,909.39 × 2,162.01
4. Step 4: Simplify right side
   2,832.45x = 8,452,140.27
5. Step 5: Solve for x
   x = 8,452,140.27/2,832.45
6. Step 6: Final answer
   x = 2,984.04