Finding the Fourth Proportional to 2,776.38, 4,144.31 and 2,426.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,776.38 : 4,144.31 = 2,426.07 : x
2. Step 2: Convert to fraction form
   2,776.38/4,144.31 = 2,426.07/x
3. Step 3: Cross multiply
   2,776.38x = 4,144.31 × 2,426.07
4. Step 4: Simplify right side
   2,776.38x = 10,054,389.01
5. Step 5: Solve for x
   x = 10,054,389.01/2,776.38
6. Step 6: Final answer
   x = 3,621.41