Finding the Fourth Proportional to 4,079.31, 5,629.89 and 2,287.09

Step by Step Solution

1. Step 1: Write the proportion equation
   4,079.31 : 5,629.89 = 2,287.09 : x
2. Step 2: Convert to fraction form
   4,079.31/5,629.89 = 2,287.09/x
3. Step 3: Cross multiply
   4,079.31x = 5,629.89 × 2,287.09
4. Step 4: Simplify right side
   4,079.31x = 12,876,045.85
5. Step 5: Solve for x
   x = 12,876,045.85/4,079.31
6. Step 6: Final answer
   x = 3,156.43