Finding the Fourth Proportional to 21,767, 32,657.82 and 9,286.52

Step by Step Solution

1. Step 1: Write the proportion equation
   21,767 : 32,657.82 = 9,286.52 : x
2. Step 2: Convert to fraction form
   21,767/32,657.82 = 9,286.52/x
3. Step 3: Cross multiply
   21,767x = 32,657.82 × 9,286.52
4. Step 4: Simplify right side
   21,767x = 303,277,498.59
5. Step 5: Solve for x
   x = 303,277,498.59/21,767
6. Step 6: Final answer
   x = 13,932.90