Finding the Fourth Proportional to 10,721.59, 16,086.98 and 4,483.06

Step by Step Solution

1. Step 1: Write the proportion equation
   10,721.59 : 16,086.98 = 4,483.06 : x
2. Step 2: Convert to fraction form
   10,721.59/16,086.98 = 4,483.06/x
3. Step 3: Cross multiply
   10,721.59x = 16,086.98 × 4,483.06
4. Step 4: Simplify right side
   10,721.59x = 72,118,874.14
5. Step 5: Solve for x
   x = 72,118,874.14/10,721.59
6. Step 6: Final answer
   x = 6,726.51