Finding the Fourth Proportional to 2,962.19, 4,443.42 and 771.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,962.19 : 4,443.42 = 771.14 : x
2. Step 2: Convert to fraction form
   2,962.19/4,443.42 = 771.14/x
3. Step 3: Cross multiply
   2,962.19x = 4,443.42 × 771.14
4. Step 4: Simplify right side
   2,962.19x = 3,426,498.90
5. Step 5: Solve for x
   x = 3,426,498.90/2,962.19
6. Step 6: Final answer
   x = 1,156.75