Finding the Fourth Proportional to 57,665.56, 86,503.38 and 16,112.68

Step by Step Solution

1. Step 1: Write the proportion equation
   57,665.56 : 86,503.38 = 16,112.68 : x
2. Step 2: Convert to fraction form
   57,665.56/86,503.38 = 16,112.68/x
3. Step 3: Cross multiply
   57,665.56x = 86,503.38 × 16,112.68
4. Step 4: Simplify right side
   57,665.56x = 1,393,801,280.86
5. Step 5: Solve for x
   x = 1,393,801,280.86/57,665.56
6. Step 6: Final answer
   x = 24,170.43