Finding the Fourth Proportional to 11,727.72, 17,593.20 and 3,938.76

Step by Step Solution

1. Step 1: Write the proportion equation
   11,727.72 : 17,593.20 = 3,938.76 : x
2. Step 2: Convert to fraction form
   11,727.72/17,593.20 = 3,938.76/x
3. Step 3: Cross multiply
   11,727.72x = 17,593.20 × 3,938.76
4. Step 4: Simplify right side
   11,727.72x = 69,295,392.43
5. Step 5: Solve for x
   x = 69,295,392.43/11,727.72
6. Step 6: Final answer
   x = 5,908.68