Finding the Fourth Proportional to 8,151.32, 12,221.91 and 3,763.14

Step by Step Solution

1. Step 1: Write the proportion equation
   8,151.32 : 12,221.91 = 3,763.14 : x
2. Step 2: Convert to fraction form
   8,151.32/12,221.91 = 3,763.14/x
3. Step 3: Cross multiply
   8,151.32x = 12,221.91 × 3,763.14
4. Step 4: Simplify right side
   8,151.32x = 45,992,758.40
5. Step 5: Solve for x
   x = 45,992,758.40/8,151.32
6. Step 6: Final answer
   x = 5,642.37