Finding the Fourth Proportional to 16,619.50, 22,934.91 and 9,167.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,619.50 : 22,934.91 = 9,167.50 : x
2. Step 2: Convert to fraction form
   16,619.50/22,934.91 = 9,167.50/x
3. Step 3: Cross multiply
   16,619.50x = 22,934.91 × 9,167.50
4. Step 4: Simplify right side
   16,619.50x = 210,255,787.43
5. Step 5: Solve for x
   x = 210,255,787.43/16,619.50
6. Step 6: Final answer
   x = 12,651.15