Finding the Fourth Proportional to 16,525.56, 22,805.31 and 8,971.89

Step by Step Solution

1. Step 1: Write the proportion equation
   16,525.56 : 22,805.31 = 8,971.89 : x
2. Step 2: Convert to fraction form
   16,525.56/22,805.31 = 8,971.89/x
3. Step 3: Cross multiply
   16,525.56x = 22,805.31 × 8,971.89
4. Step 4: Simplify right side
   16,525.56x = 204,606,732.74
5. Step 5: Solve for x
   x = 204,606,732.74/16,525.56
6. Step 6: Final answer
   x = 12,381.23