Finding the Fourth Proportional to 2,606.74, 3,908.90 and 1,511.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,606.74 : 3,908.90 = 1,511.42 : x
2. Step 2: Convert to fraction form
   2,606.74/3,908.90 = 1,511.42/x
3. Step 3: Cross multiply
   2,606.74x = 3,908.90 × 1,511.42
4. Step 4: Simplify right side
   2,606.74x = 5,907,989.64
5. Step 5: Solve for x
   x = 5,907,989.64/2,606.74
6. Step 6: Final answer
   x = 2,266.43