Finding the Fourth Proportional to 12,266.50, 16,939.01 and 7,791.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,266.50 : 16,939.01 = 7,791.69 : x
2. Step 2: Convert to fraction form
   12,266.50/16,939.01 = 7,791.69/x
3. Step 3: Cross multiply
   12,266.50x = 16,939.01 × 7,791.69
4. Step 4: Simplify right side
   12,266.50x = 131,983,475.87
5. Step 5: Solve for x
   x = 131,983,475.87/12,266.50
6. Step 6: Final answer
   x = 10,759.67