Finding the Fourth Proportional to 16,974.33, 23,424.83 and 9,421.15

Step by Step Solution

1. Step 1: Write the proportion equation
   16,974.33 : 23,424.83 = 9,421.15 : x
2. Step 2: Convert to fraction form
   16,974.33/23,424.83 = 9,421.15/x
3. Step 3: Cross multiply
   16,974.33x = 23,424.83 × 9,421.15
4. Step 4: Simplify right side
   16,974.33x = 220,688,672.92
5. Step 5: Solve for x
   x = 220,688,672.92/16,974.33
6. Step 6: Final answer
   x = 13,001.32