Finding the Fourth Proportional to 8,141.22, 12,211.80 and 3,756.28

Step by Step Solution

1. Step 1: Write the proportion equation
   8,141.22 : 12,211.80 = 3,756.28 : x
2. Step 2: Convert to fraction form
   8,141.22/12,211.80 = 3,756.28/x
3. Step 3: Cross multiply
   8,141.22x = 12,211.80 × 3,756.28
4. Step 4: Simplify right side
   8,141.22x = 45,870,940.10
5. Step 5: Solve for x
   x = 45,870,940.10/8,141.22
6. Step 6: Final answer
   x = 5,634.41