Finding the Fourth Proportional to 16,427.88, 22,667.94 and 9,351.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,427.88 : 22,667.94 = 9,351.72 : x
2. Step 2: Convert to fraction form
   16,427.88/22,667.94 = 9,351.72/x
3. Step 3: Cross multiply
   16,427.88x = 22,667.94 × 9,351.72
4. Step 4: Simplify right side
   16,427.88x = 211,984,227.86
5. Step 5: Solve for x
   x = 211,984,227.86/16,427.88
6. Step 6: Final answer
   x = 12,903.93