Finding the Fourth Proportional to 12,039.23, 18,060.57 and 3,719.97

Step by Step Solution

1. Step 1: Write the proportion equation
   12,039.23 : 18,060.57 = 3,719.97 : x
2. Step 2: Convert to fraction form
   12,039.23/18,060.57 = 3,719.97/x
3. Step 3: Cross multiply
   12,039.23x = 18,060.57 × 3,719.97
4. Step 4: Simplify right side
   12,039.23x = 67,184,778.58
5. Step 5: Solve for x
   x = 67,184,778.58/12,039.23
6. Step 6: Final answer
   x = 5,580.49