Finding the Fourth Proportional to 12,040.52, 18,061.25 and 3,719.79

Step by Step Solution

1. Step 1: Write the proportion equation
   12,040.52 : 18,061.25 = 3,719.79 : x
2. Step 2: Convert to fraction form
   12,040.52/18,061.25 = 3,719.79/x
3. Step 3: Cross multiply
   12,040.52x = 18,061.25 × 3,719.79
4. Step 4: Simplify right side
   12,040.52x = 67,184,038.54
5. Step 5: Solve for x
   x = 67,184,038.54/12,040.52
6. Step 6: Final answer
   x = 5,579.83