Finding the Fourth Proportional to 20,084.56, 27,716.28 and 11,131.98

Step by Step Solution

1. Step 1: Write the proportion equation
   20,084.56 : 27,716.28 = 11,131.98 : x
2. Step 2: Convert to fraction form
   20,084.56/27,716.28 = 11,131.98/x
3. Step 3: Cross multiply
   20,084.56x = 27,716.28 × 11,131.98
4. Step 4: Simplify right side
   20,084.56x = 308,537,084.86
5. Step 5: Solve for x
   x = 308,537,084.86/20,084.56
6. Step 6: Final answer
   x = 15,361.91