Finding the Fourth Proportional to 12,747.43, 19,104.91 and 7,203.86

Step by Step Solution

1. Step 1: Write the proportion equation
   12,747.43 : 19,104.91 = 7,203.86 : x
2. Step 2: Convert to fraction form
   12,747.43/19,104.91 = 7,203.86/x
3. Step 3: Cross multiply
   12,747.43x = 19,104.91 × 7,203.86
4. Step 4: Simplify right side
   12,747.43x = 137,629,149.32
5. Step 5: Solve for x
   x = 137,629,149.32/12,747.43
6. Step 6: Final answer
   x = 10,796.62