Finding the Fourth Proportional to 16,945.37, 23,384.61 and 9,392.18

Step by Step Solution

1. Step 1: Write the proportion equation
   16,945.37 : 23,384.61 = 9,392.18 : x
2. Step 2: Convert to fraction form
   16,945.37/23,384.61 = 9,392.18/x
3. Step 3: Cross multiply
   16,945.37x = 23,384.61 × 9,392.18
4. Step 4: Simplify right side
   16,945.37x = 219,632,419.39
5. Step 5: Solve for x
   x = 219,632,419.39/16,945.37
6. Step 6: Final answer
   x = 12,961.21