Finding the Fourth Proportional to 15,524.10, 21,422.61 and 8,450.10

Step by Step Solution

1. Step 1: Write the proportion equation
   15,524.10 : 21,422.61 = 8,450.10 : x
2. Step 2: Convert to fraction form
   15,524.10/21,422.61 = 8,450.10/x
3. Step 3: Cross multiply
   15,524.10x = 21,422.61 × 8,450.10
4. Step 4: Simplify right side
   15,524.10x = 181,023,196.76
5. Step 5: Solve for x
   x = 181,023,196.76/15,524.10
6. Step 6: Final answer
   x = 11,660.79