Finding the Fourth Proportional to 12,040.52, 18,054.21 and 3,718.98

Step by Step Solution

1. Step 1: Write the proportion equation
   12,040.52 : 18,054.21 = 3,718.98 : x
2. Step 2: Convert to fraction form
   12,040.52/18,054.21 = 3,718.98/x
3. Step 3: Cross multiply
   12,040.52x = 18,054.21 × 3,718.98
4. Step 4: Simplify right side
   12,040.52x = 67,143,245.91
5. Step 5: Solve for x
   x = 67,143,245.91/12,040.52
6. Step 6: Final answer
   x = 5,576.44