Finding the Fourth Proportional to 2,839, 4,259.22 and 1,084.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,839 : 4,259.22 = 1,084.72 : x
2. Step 2: Convert to fraction form
   2,839/4,259.22 = 1,084.72/x
3. Step 3: Cross multiply
   2,839x = 4,259.22 × 1,084.72
4. Step 4: Simplify right side
   2,839x = 4,620,061.12
5. Step 5: Solve for x
   x = 4,620,061.12/2,839
6. Step 6: Final answer
   x = 1,627.36