Finding the Fourth Proportional to 12,039.56, 18,061.26 and 3,717.62

Step by Step Solution

1. Step 1: Write the proportion equation
   12,039.56 : 18,061.26 = 3,717.62 : x
2. Step 2: Convert to fraction form
   12,039.56/18,061.26 = 3,717.62/x
3. Step 3: Cross multiply
   12,039.56x = 18,061.26 × 3,717.62
4. Step 4: Simplify right side
   12,039.56x = 67,144,901.40
5. Step 5: Solve for x
   x = 67,144,901.40/12,039.56
6. Step 6: Final answer
   x = 5,577.02