Finding the Fourth Proportional to 12,048.72, 18,074.84 and 3,729.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,048.72 : 18,074.84 = 3,729.48 : x
2. Step 2: Convert to fraction form
   12,048.72/18,074.84 = 3,729.48/x
3. Step 3: Cross multiply
   12,048.72x = 18,074.84 × 3,729.48
4. Step 4: Simplify right side
   12,048.72x = 67,409,754.28
5. Step 5: Solve for x
   x = 67,409,754.28/12,048.72
6. Step 6: Final answer
   x = 5,594.76