Finding the Fourth Proportional to 12,052.89, 18,072.63 and 3,730.55

Step by Step Solution

1. Step 1: Write the proportion equation
   12,052.89 : 18,072.63 = 3,730.55 : x
2. Step 2: Convert to fraction form
   12,052.89/18,072.63 = 3,730.55/x
3. Step 3: Cross multiply
   12,052.89x = 18,072.63 × 3,730.55
4. Step 4: Simplify right side
   12,052.89x = 67,420,759.48
5. Step 5: Solve for x
   x = 67,420,759.48/12,052.89
6. Step 6: Final answer
   x = 5,593.74