Finding the Fourth Proportional to 8,103.72, 12,151.74 and 3,719.88

Step by Step Solution

1. Step 1: Write the proportion equation
   8,103.72 : 12,151.74 = 3,719.88 : x
2. Step 2: Convert to fraction form
   8,103.72/12,151.74 = 3,719.88/x
3. Step 3: Cross multiply
   8,103.72x = 12,151.74 × 3,719.88
4. Step 4: Simplify right side
   8,103.72x = 45,203,014.59
5. Step 5: Solve for x
   x = 45,203,014.59/8,103.72
6. Step 6: Final answer
   x = 5,578.06