Finding the Fourth Proportional to 16,945.88, 23,383.62 and 9,776.45

Step by Step Solution

1. Step 1: Write the proportion equation
   16,945.88 : 23,383.62 = 9,776.45 : x
2. Step 2: Convert to fraction form
   16,945.88/23,383.62 = 9,776.45/x
3. Step 3: Cross multiply
   16,945.88x = 23,383.62 × 9,776.45
4. Step 4: Simplify right side
   16,945.88x = 228,608,674.83
5. Step 5: Solve for x
   x = 228,608,674.83/16,945.88
6. Step 6: Final answer
   x = 13,490.52