Finding the Fourth Proportional to 16,987.82, 23,443.41 and 9,434.63

Step by Step Solution

1. Step 1: Write the proportion equation
   16,987.82 : 23,443.41 = 9,434.63 : x
2. Step 2: Convert to fraction form
   16,987.82/23,443.41 = 9,434.63/x
3. Step 3: Cross multiply
   16,987.82x = 23,443.41 × 9,434.63
4. Step 4: Simplify right side
   16,987.82x = 221,179,782.07
5. Step 5: Solve for x
   x = 221,179,782.07/16,987.82
6. Step 6: Final answer
   x = 13,019.91