Finding the Fourth Proportional to 12,057.76, 18,086.82 and 3,737.68

Step by Step Solution

1. Step 1: Write the proportion equation
   12,057.76 : 18,086.82 = 3,737.68 : x
2. Step 2: Convert to fraction form
   12,057.76/18,086.82 = 3,737.68/x
3. Step 3: Cross multiply
   12,057.76x = 18,086.82 × 3,737.68
4. Step 4: Simplify right side
   12,057.76x = 67,602,745.38
5. Step 5: Solve for x
   x = 67,602,745.38/12,057.76
6. Step 6: Final answer
   x = 5,606.58