Finding the Fourth Proportional to 4,150.98, 5,728.32 and 2,287.98

Step by Step Solution

1. Step 1: Write the proportion equation
   4,150.98 : 5,728.32 = 2,287.98 : x
2. Step 2: Convert to fraction form
   4,150.98/5,728.32 = 2,287.98/x
3. Step 3: Cross multiply
   4,150.98x = 5,728.32 × 2,287.98
4. Step 4: Simplify right side
   4,150.98x = 13,106,281.59
5. Step 5: Solve for x
   x = 13,106,281.59/4,150.98
6. Step 6: Final answer
   x = 3,157.39