Finding the Fourth Proportional to 21,078.27, 31,606.77 and 7,033.32

Step by Step Solution

1. Step 1: Write the proportion equation
   21,078.27 : 31,606.77 = 7,033.32 : x
2. Step 2: Convert to fraction form
   21,078.27/31,606.77 = 7,033.32/x
3. Step 3: Cross multiply
   21,078.27x = 31,606.77 × 7,033.32
4. Step 4: Simplify right side
   21,078.27x = 222,300,527.58
5. Step 5: Solve for x
   x = 222,300,527.58/21,078.27
6. Step 6: Final answer
   x = 10,546.43