Finding the Fourth Proportional to 10,800.10, 16,204.86 and 3,785.17

Step by Step Solution

1. Step 1: Write the proportion equation
   10,800.10 : 16,204.86 = 3,785.17 : x
2. Step 2: Convert to fraction form
   10,800.10/16,204.86 = 3,785.17/x
3. Step 3: Cross multiply
   10,800.10x = 16,204.86 × 3,785.17
4. Step 4: Simplify right side
   10,800.10x = 61,338,049.98
5. Step 5: Solve for x
   x = 61,338,049.98/10,800.10
6. Step 6: Final answer
   x = 5,679.40