Finding the Fourth Proportional to 12,236.72, 18,337.06 and 5,474.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,236.72 : 18,337.06 = 5,474.10 : x
2. Step 2: Convert to fraction form
   12,236.72/18,337.06 = 5,474.10/x
3. Step 3: Cross multiply
   12,236.72x = 18,337.06 × 5,474.10
4. Step 4: Simplify right side
   12,236.72x = 100,378,900.15
5. Step 5: Solve for x
   x = 100,378,900.15/12,236.72
6. Step 6: Final answer
   x = 8,203.09