Finding the Fourth Proportional to 12,150.72, 18,229.14 and 3,830.94

Step by Step Solution

1. Step 1: Write the proportion equation
   12,150.72 : 18,229.14 = 3,830.94 : x
2. Step 2: Convert to fraction form
   12,150.72/18,229.14 = 3,830.94/x
3. Step 3: Cross multiply
   12,150.72x = 18,229.14 × 3,830.94
4. Step 4: Simplify right side
   12,150.72x = 69,834,741.59
5. Step 5: Solve for x
   x = 69,834,741.59/12,150.72
6. Step 6: Final answer
   x = 5,747.37