Finding the Fourth Proportional to 3,018.27, 4,526.85 and 826.47

Step by Step Solution

1. Step 1: Write the proportion equation
   3,018.27 : 4,526.85 = 826.47 : x
2. Step 2: Convert to fraction form
   3,018.27/4,526.85 = 826.47/x
3. Step 3: Cross multiply
   3,018.27x = 4,526.85 × 826.47
4. Step 4: Simplify right side
   3,018.27x = 3,741,305.72
5. Step 5: Solve for x
   x = 3,741,305.72/3,018.27
6. Step 6: Final answer
   x = 1,239.55