Finding the Fourth Proportional to 12,077.22, 18,113.37 and 3,311.46

Step by Step Solution

1. Step 1: Write the proportion equation
   12,077.22 : 18,113.37 = 3,311.46 : x
2. Step 2: Convert to fraction form
   12,077.22/18,113.37 = 3,311.46/x
3. Step 3: Cross multiply
   12,077.22x = 18,113.37 × 3,311.46
4. Step 4: Simplify right side
   12,077.22x = 59,981,700.22
5. Step 5: Solve for x
   x = 59,981,700.22/12,077.22
6. Step 6: Final answer
   x = 4,966.52