Finding the Fourth Proportional to 12,106.56, 16,707.97 and 7,391.76

Step by Step Solution

1. Step 1: Write the proportion equation
   12,106.56 : 16,707.97 = 7,391.76 : x
2. Step 2: Convert to fraction form
   12,106.56/16,707.97 = 7,391.76/x
3. Step 3: Cross multiply
   12,106.56x = 16,707.97 × 7,391.76
4. Step 4: Simplify right side
   12,106.56x = 123,501,304.33
5. Step 5: Solve for x
   x = 123,501,304.33/12,106.56
6. Step 6: Final answer
   x = 10,201.19