Finding the Fourth Proportional to 12,057.93, 18,089.46 and 3,738.15

Step by Step Solution

1. Step 1: Write the proportion equation
   12,057.93 : 18,089.46 = 3,738.15 : x
2. Step 2: Convert to fraction form
   12,057.93/18,089.46 = 3,738.15/x
3. Step 3: Cross multiply
   12,057.93x = 18,089.46 × 3,738.15
4. Step 4: Simplify right side
   12,057.93x = 67,621,114.90
5. Step 5: Solve for x
   x = 67,621,114.90/12,057.93
6. Step 6: Final answer
   x = 5,608.02