Finding the Fourth Proportional to 12,472.65, 18,694.83 and 4,150.71

Step by Step Solution

1. Step 1: Write the proportion equation
   12,472.65 : 18,694.83 = 4,150.71 : x
2. Step 2: Convert to fraction form
   12,472.65/18,694.83 = 4,150.71/x
3. Step 3: Cross multiply
   12,472.65x = 18,694.83 × 4,150.71
4. Step 4: Simplify right side
   12,472.65x = 77,596,817.83
5. Step 5: Solve for x
   x = 77,596,817.83/12,472.65
6. Step 6: Final answer
   x = 6,221.36