Finding the Fourth Proportional to 12,041.31, 18,063.69 and 3,722.05

Step by Step Solution

1. Step 1: Write the proportion equation
   12,041.31 : 18,063.69 = 3,722.05 : x
2. Step 2: Convert to fraction form
   12,041.31/18,063.69 = 3,722.05/x
3. Step 3: Cross multiply
   12,041.31x = 18,063.69 × 3,722.05
4. Step 4: Simplify right side
   12,041.31x = 67,233,986.92
5. Step 5: Solve for x
   x = 67,233,986.92/12,041.31
6. Step 6: Final answer
   x = 5,583.61