Finding the Fourth Proportional to 2,288.59, 3,157.09 and 1,447.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,288.59 : 3,157.09 = 1,447.89 : x
2. Step 2: Convert to fraction form
   2,288.59/3,157.09 = 1,447.89/x
3. Step 3: Cross multiply
   2,288.59x = 3,157.09 × 1,447.89
4. Step 4: Simplify right side
   2,288.59x = 4,571,119.04
5. Step 5: Solve for x
   x = 4,571,119.04/2,288.59
6. Step 6: Final answer
   x = 1,997.35