Finding the Fourth Proportional to 11,727.72, 17,573.22 and 7,036.20

Step by Step Solution

1. Step 1: Write the proportion equation
   11,727.72 : 17,573.22 = 7,036.20 : x
2. Step 2: Convert to fraction form
   11,727.72/17,573.22 = 7,036.20/x
3. Step 3: Cross multiply
   11,727.72x = 17,573.22 × 7,036.20
4. Step 4: Simplify right side
   11,727.72x = 123,648,690.56
5. Step 5: Solve for x
   x = 123,648,690.56/11,727.72
6. Step 6: Final answer
   x = 10,543.28