Finding the Fourth Proportional to 11,942.31, 16,487.76 and 7,694.87

Step by Step Solution

1. Step 1: Write the proportion equation
   11,942.31 : 16,487.76 = 7,694.87 : x
2. Step 2: Convert to fraction form
   11,942.31/16,487.76 = 7,694.87/x
3. Step 3: Cross multiply
   11,942.31x = 16,487.76 × 7,694.87
4. Step 4: Simplify right side
   11,942.31x = 126,871,128.57
5. Step 5: Solve for x
   x = 126,871,128.57/11,942.31
6. Step 6: Final answer
   x = 10,623.67