Finding the Fourth Proportional to 2,229.50, 3,076.89 and 1,298.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,229.50 : 3,076.89 = 1,298.18 : x
2. Step 2: Convert to fraction form
   2,229.50/3,076.89 = 1,298.18/x
3. Step 3: Cross multiply
   2,229.50x = 3,076.89 × 1,298.18
4. Step 4: Simplify right side
   2,229.50x = 3,994,357.06
5. Step 5: Solve for x
   x = 3,994,357.06/2,229.50
6. Step 6: Final answer
   x = 1,791.59