Finding the Fourth Proportional to 8,150.38, 12,231.52 and 3,713.05

Step by Step Solution

1. Step 1: Write the proportion equation
   8,150.38 : 12,231.52 = 3,713.05 : x
2. Step 2: Convert to fraction form
   8,150.38/12,231.52 = 3,713.05/x
3. Step 3: Cross multiply
   8,150.38x = 12,231.52 × 3,713.05
4. Step 4: Simplify right side
   8,150.38x = 45,416,281.71
5. Step 5: Solve for x
   x = 45,416,281.71/8,150.38
6. Step 6: Final answer
   x = 5,572.29