Finding the Fourth Proportional to 2,112.52, 3,168.96 and 1,017.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,112.52 : 3,168.96 = 1,017.16 : x
2. Step 2: Convert to fraction form
   2,112.52/3,168.96 = 1,017.16/x
3. Step 3: Cross multiply
   2,112.52x = 3,168.96 × 1,017.16
4. Step 4: Simplify right side
   2,112.52x = 3,223,339.35
5. Step 5: Solve for x
   x = 3,223,339.35/2,112.52
6. Step 6: Final answer
   x = 1,525.83