Finding the Fourth Proportional to 57,665.67, 86,498.24 and 18,222.72

Step by Step Solution

1. Step 1: Write the proportion equation
   57,665.67 : 86,498.24 = 18,222.72 : x
2. Step 2: Convert to fraction form
   57,665.67/86,498.24 = 18,222.72/x
3. Step 3: Cross multiply
   57,665.67x = 86,498.24 × 18,222.72
4. Step 4: Simplify right side
   57,665.67x = 1,576,233,116.90
5. Step 5: Solve for x
   x = 1,576,233,116.90/57,665.67
6. Step 6: Final answer
   x = 27,333.99