Finding the Fourth Proportional to 16,940.06, 23,376.98 and 9,385.34

Step by Step Solution

1. Step 1: Write the proportion equation
   16,940.06 : 23,376.98 = 9,385.34 : x
2. Step 2: Convert to fraction form
   16,940.06/23,376.98 = 9,385.34/x
3. Step 3: Cross multiply
   16,940.06x = 23,376.98 × 9,385.34
4. Step 4: Simplify right side
   16,940.06x = 219,400,982.90
5. Step 5: Solve for x
   x = 219,400,982.90/16,940.06
6. Step 6: Final answer
   x = 12,951.60