Finding the Fourth Proportional to 2,832.12, 4,250.10 and 1,294.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,832.12 : 4,250.10 = 1,294.20 : x
2. Step 2: Convert to fraction form
   2,832.12/4,250.10 = 1,294.20/x
3. Step 3: Cross multiply
   2,832.12x = 4,250.10 × 1,294.20
4. Step 4: Simplify right side
   2,832.12x = 5,500,479.42
5. Step 5: Solve for x
   x = 5,500,479.42/2,832.12
6. Step 6: Final answer
   x = 1,942.18