Finding the Fourth Proportional to 16,767.88, 23,139.67 and 9,694.76

Step by Step Solution

1. Step 1: Write the proportion equation
   16,767.88 : 23,139.67 = 9,694.76 : x
2. Step 2: Convert to fraction form
   16,767.88/23,139.67 = 9,694.76/x
3. Step 3: Cross multiply
   16,767.88x = 23,139.67 × 9,694.76
4. Step 4: Simplify right side
   16,767.88x = 224,333,431.43
5. Step 5: Solve for x
   x = 224,333,431.43/16,767.88
6. Step 6: Final answer
   x = 13,378.76