Finding the Fourth Proportional to 8,012.58, 12,020.26 and 3,571.83

Step by Step Solution

1. Step 1: Write the proportion equation
   8,012.58 : 12,020.26 = 3,571.83 : x
2. Step 2: Convert to fraction form
   8,012.58/12,020.26 = 3,571.83/x
3. Step 3: Cross multiply
   8,012.58x = 12,020.26 × 3,571.83
4. Step 4: Simplify right side
   8,012.58x = 42,934,325.28
5. Step 5: Solve for x
   x = 42,934,325.28/8,012.58
6. Step 6: Final answer
   x = 5,358.36