Finding the Fourth Proportional to 2,606.72, 3,908.24 and 963.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,606.72 : 3,908.24 = 963.06 : x
2. Step 2: Convert to fraction form
   2,606.72/3,908.24 = 963.06/x
3. Step 3: Cross multiply
   2,606.72x = 3,908.24 × 963.06
4. Step 4: Simplify right side
   2,606.72x = 3,763,869.61
5. Step 5: Solve for x
   x = 3,763,869.61/2,606.72
6. Step 6: Final answer
   x = 1,443.91