Finding the Fourth Proportional to 11,657.92, 16,083.32 and 7,680.96

Step by Step Solution

1. Step 1: Write the proportion equation
   11,657.92 : 16,083.32 = 7,680.96 : x
2. Step 2: Convert to fraction form
   11,657.92/16,083.32 = 7,680.96/x
3. Step 3: Cross multiply
   11,657.92x = 16,083.32 × 7,680.96
4. Step 4: Simplify right side
   11,657.92x = 123,535,337.59
5. Step 5: Solve for x
   x = 123,535,337.59/11,657.92
6. Step 6: Final answer
   x = 10,596.69