Finding the Fourth Proportional to 2,814.72, 3,882.09 and 2,626.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,814.72 : 3,882.09 = 2,626.08 : x
2. Step 2: Convert to fraction form
   2,814.72/3,882.09 = 2,626.08/x
3. Step 3: Cross multiply
   2,814.72x = 3,882.09 × 2,626.08
4. Step 4: Simplify right side
   2,814.72x = 10,194,688.61
5. Step 5: Solve for x
   x = 10,194,688.61/2,814.72
6. Step 6: Final answer
   x = 3,621.93