Finding the Fourth Proportional to 12,105.88, 16,707.02 and 7,391.07

Step by Step Solution

1. Step 1: Write the proportion equation
   12,105.88 : 16,707.02 = 7,391.07 : x
2. Step 2: Convert to fraction form
   12,105.88/16,707.02 = 7,391.07/x
3. Step 3: Cross multiply
   12,105.88x = 16,707.02 × 7,391.07
4. Step 4: Simplify right side
   12,105.88x = 123,482,754.31
5. Step 5: Solve for x
   x = 123,482,754.31/12,105.88
6. Step 6: Final answer
   x = 10,200.23