Finding the Fourth Proportional to 12,043.35, 16,622.42 and 7,329.15

Step by Step Solution

1. Step 1: Write the proportion equation
   12,043.35 : 16,622.42 = 7,329.15 : x
2. Step 2: Convert to fraction form
   12,043.35/16,622.42 = 7,329.15/x
3. Step 3: Cross multiply
   12,043.35x = 16,622.42 × 7,329.15
4. Step 4: Simplify right side
   12,043.35x = 121,828,209.54
5. Step 5: Solve for x
   x = 121,828,209.54/12,043.35
6. Step 6: Final answer
   x = 10,115.81