Finding the Fourth Proportional to 86,222.72, 129,339.54 and 27,060.73

Step by Step Solution

1. Step 1: Write the proportion equation
   86,222.72 : 129,339.54 = 27,060.73 : x
2. Step 2: Convert to fraction form
   86,222.72/129,339.54 = 27,060.73/x
3. Step 3: Cross multiply
   86,222.72x = 129,339.54 × 27,060.73
4. Step 4: Simplify right side
   86,222.72x = 3,500,022,046.92
5. Step 5: Solve for x
   x = 3,500,022,046.92/86,222.72
6. Step 6: Final answer
   x = 40,592.80