Finding the Fourth Proportional to 10,155.43, 15,233.59 and 3,581.67

Step by Step Solution

1. Step 1: Write the proportion equation
   10,155.43 : 15,233.59 = 3,581.67 : x
2. Step 2: Convert to fraction form
   10,155.43/15,233.59 = 3,581.67/x
3. Step 3: Cross multiply
   10,155.43x = 15,233.59 × 3,581.67
4. Step 4: Simplify right side
   10,155.43x = 54,561,692.30
5. Step 5: Solve for x
   x = 54,561,692.30/10,155.43
6. Step 6: Final answer
   x = 5,372.66