Finding the Fourth Proportional to 2,606.40, 3,908.88 and 962.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,606.40 : 3,908.88 = 962.82 : x
2. Step 2: Convert to fraction form
   2,606.40/3,908.88 = 962.82/x
3. Step 3: Cross multiply
   2,606.40x = 3,908.88 × 962.82
4. Step 4: Simplify right side
   2,606.40x = 3,763,547.84
5. Step 5: Solve for x
   x = 3,763,547.84/2,606.40
6. Step 6: Final answer
   x = 1,443.96