Finding the Fourth Proportional to 2,962.72, 4,444.34 and 771.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,962.72 : 4,444.34 = 771.45 : x
2. Step 2: Convert to fraction form
   2,962.72/4,444.34 = 771.45/x
3. Step 3: Cross multiply
   2,962.72x = 4,444.34 × 771.45
4. Step 4: Simplify right side
   2,962.72x = 3,428,586.09
5. Step 5: Solve for x
   x = 3,428,586.09/2,962.72
6. Step 6: Final answer
   x = 1,157.24