Finding the Fourth Proportional to 10,107.99, 15,151.59 and 3,866.54

Step by Step Solution

1. Step 1: Write the proportion equation
   10,107.99 : 15,151.59 = 3,866.54 : x
2. Step 2: Convert to fraction form
   10,107.99/15,151.59 = 3,866.54/x
3. Step 3: Cross multiply
   10,107.99x = 15,151.59 × 3,866.54
4. Step 4: Simplify right side
   10,107.99x = 58,584,153.04
5. Step 5: Solve for x
   x = 58,584,153.04/10,107.99
6. Step 6: Final answer
   x = 5,795.83