Finding the Fourth Proportional to 12,048.32, 18,074.16 and 3,729.06

Step by Step Solution

1. Step 1: Write the proportion equation
   12,048.32 : 18,074.16 = 3,729.06 : x
2. Step 2: Convert to fraction form
   12,048.32/18,074.16 = 3,729.06/x
3. Step 3: Cross multiply
   12,048.32x = 18,074.16 × 3,729.06
4. Step 4: Simplify right side
   12,048.32x = 67,399,627.09
5. Step 5: Solve for x
   x = 67,399,627.09/12,048.32
6. Step 6: Final answer
   x = 5,594.11