Finding the Fourth Proportional to 12,141.27, 18,212.98 and 3,709.67

Step by Step Solution

1. Step 1: Write the proportion equation
   12,141.27 : 18,212.98 = 3,709.67 : x
2. Step 2: Convert to fraction form
   12,141.27/18,212.98 = 3,709.67/x
3. Step 3: Cross multiply
   12,141.27x = 18,212.98 × 3,709.67
4. Step 4: Simplify right side
   12,141.27x = 67,564,195.37
5. Step 5: Solve for x
   x = 67,564,195.37/12,141.27
6. Step 6: Final answer
   x = 5,564.84