Finding the Fourth Proportional to 10,105.10, 15,150.45 and 3,862.70

Step by Step Solution

1. Step 1: Write the proportion equation
   10,105.10 : 15,150.45 = 3,862.70 : x
2. Step 2: Convert to fraction form
   10,105.10/15,150.45 = 3,862.70/x
3. Step 3: Cross multiply
   10,105.10x = 15,150.45 × 3,862.70
4. Step 4: Simplify right side
   10,105.10x = 58,521,643.22
5. Step 5: Solve for x
   x = 58,521,643.22/10,105.10
6. Step 6: Final answer
   x = 5,791.30