Finding the Fourth Proportional to 2,812.16, 4,219.17 and 1,351.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,812.16 : 4,219.17 = 1,351.42 : x
2. Step 2: Convert to fraction form
   2,812.16/4,219.17 = 1,351.42/x
3. Step 3: Cross multiply
   2,812.16x = 4,219.17 × 1,351.42
4. Step 4: Simplify right side
   2,812.16x = 5,701,870.72
5. Step 5: Solve for x
   x = 5,701,870.72/2,812.16
6. Step 6: Final answer
   x = 2,027.58