Finding the Fourth Proportional to 2,862.52, 4,294.38 and 1,219.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,862.52 : 4,294.38 = 1,219.12 : x
2. Step 2: Convert to fraction form
   2,862.52/4,294.38 = 1,219.12/x
3. Step 3: Cross multiply
   2,862.52x = 4,294.38 × 1,219.12
4. Step 4: Simplify right side
   2,862.52x = 5,235,364.55
5. Step 5: Solve for x
   x = 5,235,364.55/2,862.52
6. Step 6: Final answer
   x = 1,828.94