Finding the Fourth Proportional to 2,832.43, 4,222.79 and 2,760.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,832.43 : 4,222.79 = 2,760.50 : x
2. Step 2: Convert to fraction form
   2,832.43/4,222.79 = 2,760.50/x
3. Step 3: Cross multiply
   2,832.43x = 4,222.79 × 2,760.50
4. Step 4: Simplify right side
   2,832.43x = 11,657,011.80
5. Step 5: Solve for x
   x = 11,657,011.80/2,832.43
6. Step 6: Final answer
   x = 4,115.55