Finding the Fourth Proportional to 3,018.72, 4,527.70 and 1,168.57

Step by Step Solution

1. Step 1: Write the proportion equation
   3,018.72 : 4,527.70 = 1,168.57 : x
2. Step 2: Convert to fraction form
   3,018.72/4,527.70 = 1,168.57/x
3. Step 3: Cross multiply
   3,018.72x = 4,527.70 × 1,168.57
4. Step 4: Simplify right side
   3,018.72x = 5,290,917.23
5. Step 5: Solve for x
   x = 5,290,917.23/3,018.72
6. Step 6: Final answer
   x = 1,752.70