Finding the Fourth Proportional to 72,581.92, 108,871.91 and 35,145.34

Step by Step Solution

1. Step 1: Write the proportion equation
   72,581.92 : 108,871.91 = 35,145.34 : x
2. Step 2: Convert to fraction form
   72,581.92/108,871.91 = 35,145.34/x
3. Step 3: Cross multiply
   72,581.92x = 108,871.91 × 35,145.34
4. Step 4: Simplify right side
   72,581.92x = 3,826,340,293.40
5. Step 5: Solve for x
   x = 3,826,340,293.40/72,581.92
6. Step 6: Final answer
   x = 52,717.54