Finding the Fourth Proportional to 12,057.20, 18,079.56 and 3,734.96

Step by Step Solution

1. Step 1: Write the proportion equation
   12,057.20 : 18,079.56 = 3,734.96 : x
2. Step 2: Convert to fraction form
   12,057.20/18,079.56 = 3,734.96/x
3. Step 3: Cross multiply
   12,057.20x = 18,079.56 × 3,734.96
4. Step 4: Simplify right side
   12,057.20x = 67,526,433.42
5. Step 5: Solve for x
   x = 67,526,433.42/12,057.20
6. Step 6: Final answer
   x = 5,600.51