Finding the Fourth Proportional to 1,448.16, 2,162.36 and 1,152.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,448.16 : 2,162.36 = 1,152.34 : x
2. Step 2: Convert to fraction form
   1,448.16/2,162.36 = 1,152.34/x
3. Step 3: Cross multiply
   1,448.16x = 2,162.36 × 1,152.34
4. Step 4: Simplify right side
   1,448.16x = 2,491,773.92
5. Step 5: Solve for x
   x = 2,491,773.92/1,448.16
6. Step 6: Final answer
   x = 1,720.65