Finding the Fourth Proportional to 12,744.82, 19,119.62 and 5,724.66

Step by Step Solution

1. Step 1: Write the proportion equation
   12,744.82 : 19,119.62 = 5,724.66 : x
2. Step 2: Convert to fraction form
   12,744.82/19,119.62 = 5,724.66/x
3. Step 3: Cross multiply
   12,744.82x = 19,119.62 × 5,724.66
4. Step 4: Simplify right side
   12,744.82x = 109,453,323.83
5. Step 5: Solve for x
   x = 109,453,323.83/12,744.82
6. Step 6: Final answer
   x = 8,588.06