Finding the Fourth Proportional to 10,755.84, 16,136.64 and 3,830.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,755.84 : 16,136.64 = 3,830.72 : x
2. Step 2: Convert to fraction form
   10,755.84/16,136.64 = 3,830.72/x
3. Step 3: Cross multiply
   10,755.84x = 16,136.64 × 3,830.72
4. Step 4: Simplify right side
   10,755.84x = 61,814,949.58
5. Step 5: Solve for x
   x = 61,814,949.58/10,755.84
6. Step 6: Final answer
   x = 5,747.11