Finding the Fourth Proportional to 21,277.82, 31,936.41 and 10,755.25

Step by Step Solution

1. Step 1: Write the proportion equation
   21,277.82 : 31,936.41 = 10,755.25 : x
2. Step 2: Convert to fraction form
   21,277.82/31,936.41 = 10,755.25/x
3. Step 3: Cross multiply
   21,277.82x = 31,936.41 × 10,755.25
4. Step 4: Simplify right side
   21,277.82x = 343,483,993.81
5. Step 5: Solve for x
   x = 343,483,993.81/21,277.82
6. Step 6: Final answer
   x = 16,142.82