Finding the Fourth Proportional to 21,758.52, 32,643.41 and 9,272.27

Step by Step Solution

1. Step 1: Write the proportion equation
   21,758.52 : 32,643.41 = 9,272.27 : x
2. Step 2: Convert to fraction form
   21,758.52/32,643.41 = 9,272.27/x
3. Step 3: Cross multiply
   21,758.52x = 32,643.41 × 9,272.27
4. Step 4: Simplify right side
   21,758.52x = 302,678,546.49
5. Step 5: Solve for x
   x = 302,678,546.49/21,758.52
6. Step 6: Final answer
   x = 13,910.80