Finding the Fourth Proportional to 16,958.52, 23,404.14 and 9,407.22

Step by Step Solution

1. Step 1: Write the proportion equation
   16,958.52 : 23,404.14 = 9,407.22 : x
2. Step 2: Convert to fraction form
   16,958.52/23,404.14 = 9,407.22/x
3. Step 3: Cross multiply
   16,958.52x = 23,404.14 × 9,407.22
4. Step 4: Simplify right side
   16,958.52x = 220,167,893.89
5. Step 5: Solve for x
   x = 220,167,893.89/16,958.52
6. Step 6: Final answer
   x = 12,982.73