Finding the Fourth Proportional to 11,792.39, 16,296.83 and 9,664.56

Step by Step Solution

1. Step 1: Write the proportion equation
   11,792.39 : 16,296.83 = 9,664.56 : x
2. Step 2: Convert to fraction form
   11,792.39/16,296.83 = 9,664.56/x
3. Step 3: Cross multiply
   11,792.39x = 16,296.83 × 9,664.56
4. Step 4: Simplify right side
   11,792.39x = 157,501,691.34
5. Step 5: Solve for x
   x = 157,501,691.34/11,792.39
6. Step 6: Final answer
   x = 13,356.21