Finding the Fourth Proportional to 16,379.78, 22,603.08 and 9,667.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,379.78 : 22,603.08 = 9,667.50 : x
2. Step 2: Convert to fraction form
   16,379.78/22,603.08 = 9,667.50/x
3. Step 3: Cross multiply
   16,379.78x = 22,603.08 × 9,667.50
4. Step 4: Simplify right side
   16,379.78x = 218,515,275.90
5. Step 5: Solve for x
   x = 218,515,275.90/16,379.78
6. Step 6: Final answer
   x = 13,340.55