Finding the Fourth Proportional to 10,108.30, 15,155.27 and 3,863.05

Step by Step Solution

1. Step 1: Write the proportion equation
   10,108.30 : 15,155.27 = 3,863.05 : x
2. Step 2: Convert to fraction form
   10,108.30/15,155.27 = 3,863.05/x
3. Step 3: Cross multiply
   10,108.30x = 15,155.27 × 3,863.05
4. Step 4: Simplify right side
   10,108.30x = 58,545,487.80
5. Step 5: Solve for x
   x = 58,545,487.80/10,108.30
6. Step 6: Final answer
   x = 5,791.83