Finding the Fourth Proportional to 16,955.37, 23,398.61 and 9,401.80

Step by Step Solution

1. Step 1: Write the proportion equation
   16,955.37 : 23,398.61 = 9,401.80 : x
2. Step 2: Convert to fraction form
   16,955.37/23,398.61 = 9,401.80/x
3. Step 3: Cross multiply
   16,955.37x = 23,398.61 × 9,401.80
4. Step 4: Simplify right side
   16,955.37x = 219,989,016.51
5. Step 5: Solve for x
   x = 219,989,016.51/16,955.37
6. Step 6: Final answer
   x = 12,974.59