Finding the Fourth Proportional to 16,967.68, 23,415.54 and 9,414.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,967.68 : 23,415.54 = 9,414.50 : x
2. Step 2: Convert to fraction form
   16,967.68/23,415.54 = 9,414.50/x
3. Step 3: Cross multiply
   16,967.68x = 23,415.54 × 9,414.50
4. Step 4: Simplify right side
   16,967.68x = 220,445,601.33
5. Step 5: Solve for x
   x = 220,445,601.33/16,967.68
6. Step 6: Final answer
   x = 12,992.09