Finding the Fourth Proportional to 2,112.48, 2,915.04 and 1,168.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,112.48 : 2,915.04 = 1,168.24 : x
2. Step 2: Convert to fraction form
   2,112.48/2,915.04 = 1,168.24/x
3. Step 3: Cross multiply
   2,112.48x = 2,915.04 × 1,168.24
4. Step 4: Simplify right side
   2,112.48x = 3,405,466.33
5. Step 5: Solve for x
   x = 3,405,466.33/2,112.48
6. Step 6: Final answer
   x = 1,612.07