Finding the Fourth Proportional to 9,057.96, 13,582.62 and 3,861

Step by Step Solution

1. Step 1: Write the proportion equation
   9,057.96 : 13,582.62 = 3,861 : x
2. Step 2: Convert to fraction form
   9,057.96/13,582.62 = 3,861/x
3. Step 3: Cross multiply
   9,057.96x = 13,582.62 × 3,861
4. Step 4: Simplify right side
   9,057.96x = 52,442,495.82
5. Step 5: Solve for x
   x = 52,442,495.82/9,057.96
6. Step 6: Final answer
   x = 5,789.66