Finding the Fourth Proportional to 21,773.16, 30,046.82 and 11,837.16

Step by Step Solution

1. Step 1: Write the proportion equation
   21,773.16 : 30,046.82 = 11,837.16 : x
2. Step 2: Convert to fraction form
   21,773.16/30,046.82 = 11,837.16/x
3. Step 3: Cross multiply
   21,773.16x = 30,046.82 × 11,837.16
4. Step 4: Simplify right side
   21,773.16x = 355,669,015.83
5. Step 5: Solve for x
   x = 355,669,015.83/21,773.16
6. Step 6: Final answer
   x = 16,335.20