Finding the Fourth Proportional to 2,962.42, 4,087.69 and 1,767.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,962.42 : 4,087.69 = 1,767.78 : x
2. Step 2: Convert to fraction form
   2,962.42/4,087.69 = 1,767.78/x
3. Step 3: Cross multiply
   2,962.42x = 4,087.69 × 1,767.78
4. Step 4: Simplify right side
   2,962.42x = 7,226,132.21
5. Step 5: Solve for x
   x = 7,226,132.21/2,962.42
6. Step 6: Final answer
   x = 2,439.27