Finding the Fourth Proportional to 2,862.32, 4,294.35 and 1,218.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,862.32 : 4,294.35 = 1,218.83 : x
2. Step 2: Convert to fraction form
   2,862.32/4,294.35 = 1,218.83/x
3. Step 3: Cross multiply
   2,862.32x = 4,294.35 × 1,218.83
4. Step 4: Simplify right side
   2,862.32x = 5,234,061.14
5. Step 5: Solve for x
   x = 5,234,061.14/2,862.32
6. Step 6: Final answer
   x = 1,828.61