Finding the Fourth Proportional to 12,105.84, 16,700.13 and 7,381.92

Step by Step Solution

1. Step 1: Write the proportion equation
   12,105.84 : 16,700.13 = 7,381.92 : x
2. Step 2: Convert to fraction form
   12,105.84/16,700.13 = 7,381.92/x
3. Step 3: Cross multiply
   12,105.84x = 16,700.13 × 7,381.92
4. Step 4: Simplify right side
   12,105.84x = 123,279,023.65
5. Step 5: Solve for x
   x = 123,279,023.65/12,105.84
6. Step 6: Final answer
   x = 10,183.43