Finding the Fourth Proportional to 15,601.82, 21,532.69 and 8,888.03

Step by Step Solution

1. Step 1: Write the proportion equation
   15,601.82 : 21,532.69 = 8,888.03 : x
2. Step 2: Convert to fraction form
   15,601.82/21,532.69 = 8,888.03/x
3. Step 3: Cross multiply
   15,601.82x = 21,532.69 × 8,888.03
4. Step 4: Simplify right side
   15,601.82x = 191,383,128.90
5. Step 5: Solve for x
   x = 191,383,128.90/15,601.82
6. Step 6: Final answer
   x = 12,266.72