Finding the Fourth Proportional to 12,141.88, 16,757.00 and 7,105.80

Step by Step Solution

1. Step 1: Write the proportion equation
   12,141.88 : 16,757.00 = 7,105.80 : x
2. Step 2: Convert to fraction form
   12,141.88/16,757.00 = 7,105.80/x
3. Step 3: Cross multiply
   12,141.88x = 16,757.00 × 7,105.80
4. Step 4: Simplify right side
   12,141.88x = 119,071,872.45
5. Step 5: Solve for x
   x = 119,071,872.45/12,141.88
6. Step 6: Final answer
   x = 9,806.71