Finding the Fourth Proportional to 12,106.38, 16,707.71 and 7,391.58

Step by Step Solution

1. Step 1: Write the proportion equation
   12,106.38 : 16,707.71 = 7,391.58 : x
2. Step 2: Convert to fraction form
   12,106.38/16,707.71 = 7,391.58/x
3. Step 3: Cross multiply
   12,106.38x = 16,707.71 × 7,391.58
4. Step 4: Simplify right side
   12,106.38x = 123,496,375.08
5. Step 5: Solve for x
   x = 123,496,375.08/12,106.38
6. Step 6: Final answer
   x = 10,200.93