Finding the Fourth Proportional to 16,562.78, 24,805.89 and 9,974.45

Step by Step Solution

1. Step 1: Write the proportion equation
   16,562.78 : 24,805.89 = 9,974.45 : x
2. Step 2: Convert to fraction form
   16,562.78/24,805.89 = 9,974.45/x
3. Step 3: Cross multiply
   16,562.78x = 24,805.89 × 9,974.45
4. Step 4: Simplify right side
   16,562.78x = 247,425,109.51
5. Step 5: Solve for x
   x = 247,425,109.51/16,562.78
6. Step 6: Final answer
   x = 14,938.62