Finding the Fourth Proportional to 8,151.94, 12,229.49 and 3,471.87

Step by Step Solution

1. Step 1: Write the proportion equation
   8,151.94 : 12,229.49 = 3,471.87 : x
2. Step 2: Convert to fraction form
   8,151.94/12,229.49 = 3,471.87/x
3. Step 3: Cross multiply
   8,151.94x = 12,229.49 × 3,471.87
4. Step 4: Simplify right side
   8,151.94x = 42,459,199.45
5. Step 5: Solve for x
   x = 42,459,199.45/8,151.94
6. Step 6: Final answer
   x = 5,208.48