Finding the Fourth Proportional to 10,155.18, 15,233.21 and 3,581.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,155.18 : 15,233.21 = 3,581.42 : x
2. Step 2: Convert to fraction form
   10,155.18/15,233.21 = 3,581.42/x
3. Step 3: Cross multiply
   10,155.18x = 15,233.21 × 3,581.42
4. Step 4: Simplify right side
   10,155.18x = 54,556,522.96
5. Step 5: Solve for x
   x = 54,556,522.96/10,155.18
6. Step 6: Final answer
   x = 5,372.29