Finding the Fourth Proportional to 2,824.02, 4,230.27 and 1,286.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,824.02 : 4,230.27 = 1,286.10 : x
2. Step 2: Convert to fraction form
   2,824.02/4,230.27 = 1,286.10/x
3. Step 3: Cross multiply
   2,824.02x = 4,230.27 × 1,286.10
4. Step 4: Simplify right side
   2,824.02x = 5,440,550.25
5. Step 5: Solve for x
   x = 5,440,550.25/2,824.02
6. Step 6: Final answer
   x = 1,926.53