Finding the Fourth Proportional to 12,727.56, 17,551.92 and 9,743.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,727.56 : 17,551.92 = 9,743.52 : x
2. Step 2: Convert to fraction form
   12,727.56/17,551.92 = 9,743.52/x
3. Step 3: Cross multiply
   12,727.56x = 17,551.92 × 9,743.52
4. Step 4: Simplify right side
   12,727.56x = 171,017,483.56
5. Step 5: Solve for x
   x = 171,017,483.56/12,727.56
6. Step 6: Final answer
   x = 13,436.78