Finding the Fourth Proportional to 11,668.28, 16,104.93 and 7,690.10

Step by Step Solution

1. Step 1: Write the proportion equation
   11,668.28 : 16,104.93 = 7,690.10 : x
2. Step 2: Convert to fraction form
   11,668.28/16,104.93 = 7,690.10/x
3. Step 3: Cross multiply
   11,668.28x = 16,104.93 × 7,690.10
4. Step 4: Simplify right side
   11,668.28x = 123,848,522.19
5. Step 5: Solve for x
   x = 123,848,522.19/11,668.28
6. Step 6: Final answer
   x = 10,614.12