Finding the Fourth Proportional to 10,105.50, 15,154.55 and 3,862.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,105.50 : 15,154.55 = 3,862.42 : x
2. Step 2: Convert to fraction form
   10,105.50/15,154.55 = 3,862.42/x
3. Step 3: Cross multiply
   10,105.50x = 15,154.55 × 3,862.42
4. Step 4: Simplify right side
   10,105.50x = 58,533,251.13
5. Step 5: Solve for x
   x = 58,533,251.13/10,105.50
6. Step 6: Final answer
   x = 5,792.22