Finding the Fourth Proportional to 5,477.46, 8,217.41 and 1,581.57

Step by Step Solution

1. Step 1: Write the proportion equation
   5,477.46 : 8,217.41 = 1,581.57 : x
2. Step 2: Convert to fraction form
   5,477.46/8,217.41 = 1,581.57/x
3. Step 3: Cross multiply
   5,477.46x = 8,217.41 × 1,581.57
4. Step 4: Simplify right side
   5,477.46x = 12,996,401.23
5. Step 5: Solve for x
   x = 12,996,401.23/5,477.46
6. Step 6: Final answer
   x = 2,372.71