Finding the Fourth Proportional to 10,723.32, 16,081.20 and 4,480.07

Step by Step Solution

1. Step 1: Write the proportion equation
   10,723.32 : 16,081.20 = 4,480.07 : x
2. Step 2: Convert to fraction form
   10,723.32/16,081.20 = 4,480.07/x
3. Step 3: Cross multiply
   10,723.32x = 16,081.20 × 4,480.07
4. Step 4: Simplify right side
   10,723.32x = 72,044,821.28
5. Step 5: Solve for x
   x = 72,044,821.28/10,723.32
6. Step 6: Final answer
   x = 6,718.52