Finding the Fourth Proportional to 86,906.72, 119,931.27 and 47,162.72

Step by Step Solution

1. Step 1: Write the proportion equation
   86,906.72 : 119,931.27 = 47,162.72 : x
2. Step 2: Convert to fraction form
   86,906.72/119,931.27 = 47,162.72/x
3. Step 3: Cross multiply
   86,906.72x = 119,931.27 × 47,162.72
4. Step 4: Simplify right side
   86,906.72x = 5,656,285,206.08
5. Step 5: Solve for x
   x = 5,656,285,206.08/86,906.72
6. Step 6: Final answer
   x = 65,084.55