Finding the Fourth Proportional to 11,933.94, 16,461.24 and 7,690.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,933.94 : 16,461.24 = 7,690.50 : x
2. Step 2: Convert to fraction form
   11,933.94/16,461.24 = 7,690.50/x
3. Step 3: Cross multiply
   11,933.94x = 16,461.24 × 7,690.50
4. Step 4: Simplify right side
   11,933.94x = 126,595,166.22
5. Step 5: Solve for x
   x = 126,595,166.22/11,933.94
6. Step 6: Final answer
   x = 10,607.99