Finding the Fourth Proportional to 2,872.59, 4,310.01 and 1,229.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,872.59 : 4,310.01 = 1,229.10 : x
2. Step 2: Convert to fraction form
   2,872.59/4,310.01 = 1,229.10/x
3. Step 3: Cross multiply
   2,872.59x = 4,310.01 × 1,229.10
4. Step 4: Simplify right side
   2,872.59x = 5,297,433.29
5. Step 5: Solve for x
   x = 5,297,433.29/2,872.59
6. Step 6: Final answer
   x = 1,844.13