Finding the Fourth Proportional to 10,859.33, 14,992.61 and 8,336.61

Step by Step Solution

1. Step 1: Write the proportion equation
   10,859.33 : 14,992.61 = 8,336.61 : x
2. Step 2: Convert to fraction form
   10,859.33/14,992.61 = 8,336.61/x
3. Step 3: Cross multiply
   10,859.33x = 14,992.61 × 8,336.61
4. Step 4: Simplify right side
   10,859.33x = 124,987,500.77
5. Step 5: Solve for x
   x = 124,987,500.77/10,859.33
6. Step 6: Final answer
   x = 11,509.69