Finding the Fourth Proportional to 10,833.05, 16,242.38 and 3,906.65

Step by Step Solution

1. Step 1: Write the proportion equation
   10,833.05 : 16,242.38 = 3,906.65 : x
2. Step 2: Convert to fraction form
   10,833.05/16,242.38 = 3,906.65/x
3. Step 3: Cross multiply
   10,833.05x = 16,242.38 × 3,906.65
4. Step 4: Simplify right side
   10,833.05x = 63,453,329.55
5. Step 5: Solve for x
   x = 63,453,329.55/10,833.05
6. Step 6: Final answer
   x = 5,857.38