Finding the Fourth Proportional to 16,987.37, 23,441.78 and 9,434.18

Step by Step Solution

1. Step 1: Write the proportion equation
   16,987.37 : 23,441.78 = 9,434.18 : x
2. Step 2: Convert to fraction form
   16,987.37/23,441.78 = 9,434.18/x
3. Step 3: Cross multiply
   16,987.37x = 23,441.78 × 9,434.18
4. Step 4: Simplify right side
   16,987.37x = 221,153,972.04
5. Step 5: Solve for x
   x = 221,153,972.04/16,987.37
6. Step 6: Final answer
   x = 13,018.73