Finding the Fourth Proportional to 2,165.57, 3,226.20 and 2,061.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,165.57 : 3,226.20 = 2,061.08 : x
2. Step 2: Convert to fraction form
   2,165.57/3,226.20 = 2,061.08/x
3. Step 3: Cross multiply
   2,165.57x = 3,226.20 × 2,061.08
4. Step 4: Simplify right side
   2,165.57x = 6,649,456.30
5. Step 5: Solve for x
   x = 6,649,456.30/2,165.57
6. Step 6: Final answer
   x = 3,070.53