Finding the Fourth Proportional to 20,083.41, 27,715.32 and 11,131.07

Step by Step Solution

1. Step 1: Write the proportion equation
   20,083.41 : 27,715.32 = 11,131.07 : x
2. Step 2: Convert to fraction form
   20,083.41/27,715.32 = 11,131.07/x
3. Step 3: Cross multiply
   20,083.41x = 27,715.32 × 11,131.07
4. Step 4: Simplify right side
   20,083.41x = 308,501,028.42
5. Step 5: Solve for x
   x = 308,501,028.42/20,083.41
6. Step 6: Final answer
   x = 15,360.99