Finding the Fourth Proportional to 15,606.72, 21,536.82 and 8,532.99

Step by Step Solution

1. Step 1: Write the proportion equation
   15,606.72 : 21,536.82 = 8,532.99 : x
2. Step 2: Convert to fraction form
   15,606.72/21,536.82 = 8,532.99/x
3. Step 3: Cross multiply
   15,606.72x = 21,536.82 × 8,532.99
4. Step 4: Simplify right side
   15,606.72x = 183,773,469.69
5. Step 5: Solve for x
   x = 183,773,469.69/15,606.72
6. Step 6: Final answer
   x = 11,775.28