Finding the Fourth Proportional to 12,493.80, 18,743.27 and 3,729.15

Step by Step Solution

1. Step 1: Write the proportion equation
   12,493.80 : 18,743.27 = 3,729.15 : x
2. Step 2: Convert to fraction form
   12,493.80/18,743.27 = 3,729.15/x
3. Step 3: Cross multiply
   12,493.80x = 18,743.27 × 3,729.15
4. Step 4: Simplify right side
   12,493.80x = 69,896,446.67
5. Step 5: Solve for x
   x = 69,896,446.67/12,493.80
6. Step 6: Final answer
   x = 5,594.49