Finding the Fourth Proportional to 3,019.15, 4,529.72 and 1,170.27

Step by Step Solution

1. Step 1: Write the proportion equation
   3,019.15 : 4,529.72 = 1,170.27 : x
2. Step 2: Convert to fraction form
   3,019.15/4,529.72 = 1,170.27/x
3. Step 3: Cross multiply
   3,019.15x = 4,529.72 × 1,170.27
4. Step 4: Simplify right side
   3,019.15x = 5,300,995.42
5. Step 5: Solve for x
   x = 5,300,995.42/3,019.15
6. Step 6: Final answer
   x = 1,755.79