Finding the Fourth Proportional to 10,721.84, 16,087.35 and 4,483.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,721.84 : 16,087.35 = 4,483.31 : x
2. Step 2: Convert to fraction form
   10,721.84/16,087.35 = 4,483.31/x
3. Step 3: Cross multiply
   10,721.84x = 16,087.35 × 4,483.31
4. Step 4: Simplify right side
   10,721.84x = 72,124,577.13
5. Step 5: Solve for x
   x = 72,124,577.13/10,721.84
6. Step 6: Final answer
   x = 6,726.88