Finding the Fourth Proportional to 2,287.98, 3,156.56 and 1,448.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,287.98 : 3,156.56 = 1,448.36 : x
2. Step 2: Convert to fraction form
   2,287.98/3,156.56 = 1,448.36/x
3. Step 3: Cross multiply
   2,287.98x = 3,156.56 × 1,448.36
4. Step 4: Simplify right side
   2,287.98x = 4,571,835.24
5. Step 5: Solve for x
   x = 4,571,835.24/2,287.98
6. Step 6: Final answer
   x = 1,998.20