Finding the Fourth Proportional to 16,945.83, 23,385.23 and 9,392.18

Step by Step Solution

1. Step 1: Write the proportion equation
   16,945.83 : 23,385.23 = 9,392.18 : x
2. Step 2: Convert to fraction form
   16,945.83/23,385.23 = 9,392.18/x
3. Step 3: Cross multiply
   16,945.83x = 23,385.23 × 9,392.18
4. Step 4: Simplify right side
   16,945.83x = 219,638,231.04
5. Step 5: Solve for x
   x = 219,638,231.04/16,945.83
6. Step 6: Final answer
   x = 12,961.19