Finding the Fourth Proportional to 2,606.64, 3,907.62 and 962.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,606.64 : 3,907.62 = 962.79 : x
2. Step 2: Convert to fraction form
   2,606.64/3,907.62 = 962.79/x
3. Step 3: Cross multiply
   2,606.64x = 3,907.62 × 962.79
4. Step 4: Simplify right side
   2,606.64x = 3,762,217.46
5. Step 5: Solve for x
   x = 3,762,217.46/2,606.64
6. Step 6: Final answer
   x = 1,443.32