Finding the Fourth Proportional to 12,150.14, 18,228.38 and 3,830.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,150.14 : 18,228.38 = 3,830.42 : x
2. Step 2: Convert to fraction form
   12,150.14/18,228.38 = 3,830.42/x
3. Step 3: Cross multiply
   12,150.14x = 18,228.38 × 3,830.42
4. Step 4: Simplify right side
   12,150.14x = 69,822,377.74
5. Step 5: Solve for x
   x = 69,822,377.74/12,150.14
6. Step 6: Final answer
   x = 5,746.63