Finding the Fourth Proportional to 7,160.91, 10,742.73 and 3,265.31

Step by Step Solution

1. Step 1: Write the proportion equation
   7,160.91 : 10,742.73 = 3,265.31 : x
2. Step 2: Convert to fraction form
   7,160.91/10,742.73 = 3,265.31/x
3. Step 3: Cross multiply
   7,160.91x = 10,742.73 × 3,265.31
4. Step 4: Simplify right side
   7,160.91x = 35,078,358.31
5. Step 5: Solve for x
   x = 35,078,358.31/7,160.91
6. Step 6: Final answer
   x = 4,898.59