Finding the Fourth Proportional to 11,351.72, 17,027.56 and 3,561.12

Step by Step Solution

1. Step 1: Write the proportion equation
   11,351.72 : 17,027.56 = 3,561.12 : x
2. Step 2: Convert to fraction form
   11,351.72/17,027.56 = 3,561.12/x
3. Step 3: Cross multiply
   11,351.72x = 17,027.56 × 3,561.12
4. Step 4: Simplify right side
   11,351.72x = 60,637,184.47
5. Step 5: Solve for x
   x = 60,637,184.47/11,351.72
6. Step 6: Final answer
   x = 5,341.67