Finding the Fourth Proportional to 12,122.86, 18,182.22 and 3,355.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,122.86 : 18,182.22 = 3,355.72 : x
2. Step 2: Convert to fraction form
   12,122.86/18,182.22 = 3,355.72/x
3. Step 3: Cross multiply
   12,122.86x = 18,182.22 × 3,355.72
4. Step 4: Simplify right side
   12,122.86x = 61,014,439.30
5. Step 5: Solve for x
   x = 61,014,439.30/12,122.86
6. Step 6: Final answer
   x = 5,033.01