Finding the Fourth Proportional to 2,962.58, 4,443.33 and 771.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,962.58 : 4,443.33 = 771.17 : x
2. Step 2: Convert to fraction form
   2,962.58/4,443.33 = 771.17/x
3. Step 3: Cross multiply
   2,962.58x = 4,443.33 × 771.17
4. Step 4: Simplify right side
   2,962.58x = 3,426,573.90
5. Step 5: Solve for x
   x = 3,426,573.90/2,962.58
6. Step 6: Final answer
   x = 1,156.62