Finding the Fourth Proportional to 57,767.33, 86,660.56 and 18,333.89

Step by Step Solution

1. Step 1: Write the proportion equation
   57,767.33 : 86,660.56 = 18,333.89 : x
2. Step 2: Convert to fraction form
   57,767.33/86,660.56 = 18,333.89/x
3. Step 3: Cross multiply
   57,767.33x = 86,660.56 × 18,333.89
4. Step 4: Simplify right side
   57,767.33x = 1,588,825,524.87
5. Step 5: Solve for x
   x = 1,588,825,524.87/57,767.33
6. Step 6: Final answer
   x = 27,503.88