Finding the Fourth Proportional to 16,984.82, 23,439.65 and 9,431.27

Step by Step Solution

1. Step 1: Write the proportion equation
   16,984.82 : 23,439.65 = 9,431.27 : x
2. Step 2: Convert to fraction form
   16,984.82/23,439.65 = 9,431.27/x
3. Step 3: Cross multiply
   16,984.82x = 23,439.65 × 9,431.27
4. Step 4: Simplify right side
   16,984.82x = 221,065,503.50
5. Step 5: Solve for x
   x = 221,065,503.50/16,984.82
6. Step 6: Final answer
   x = 13,015.48