Finding the Fourth Proportional to 16,945.97, 23,385.61 and 9,392.47

Step by Step Solution

1. Step 1: Write the proportion equation
   16,945.97 : 23,385.61 = 9,392.47 : x
2. Step 2: Convert to fraction form
   16,945.97/23,385.61 = 9,392.47/x
3. Step 3: Cross multiply
   16,945.97x = 23,385.61 × 9,392.47
4. Step 4: Simplify right side
   16,945.97x = 219,648,476.47
5. Step 5: Solve for x
   x = 219,648,476.47/16,945.97
6. Step 6: Final answer
   x = 12,961.70