Finding the Fourth Proportional to 10,728.09, 14,805.59 and 6,752.61

Step by Step Solution

1. Step 1: Write the proportion equation
   10,728.09 : 14,805.59 = 6,752.61 : x
2. Step 2: Convert to fraction form
   10,728.09/14,805.59 = 6,752.61/x
3. Step 3: Cross multiply
   10,728.09x = 14,805.59 × 6,752.61
4. Step 4: Simplify right side
   10,728.09x = 99,976,341.33
5. Step 5: Solve for x
   x = 99,976,341.33/10,728.09
6. Step 6: Final answer
   x = 9,319.12