Finding the Fourth Proportional to 2,017.60, 3,027.36 and 1,152.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,017.60 : 3,027.36 = 1,152.16 : x
2. Step 2: Convert to fraction form
   2,017.60/3,027.36 = 1,152.16/x
3. Step 3: Cross multiply
   2,017.60x = 3,027.36 × 1,152.16
4. Step 4: Simplify right side
   2,017.60x = 3,488,003.10
5. Step 5: Solve for x
   x = 3,488,003.10/2,017.60
6. Step 6: Final answer
   x = 1,728.79