Finding the Fourth Proportional to 16,996.80, 23,455.55 and 9,443.82

Step by Step Solution

1. Step 1: Write the proportion equation
   16,996.80 : 23,455.55 = 9,443.82 : x
2. Step 2: Convert to fraction form
   16,996.80/23,455.55 = 9,443.82/x
3. Step 3: Cross multiply
   16,996.80x = 23,455.55 × 9,443.82
4. Step 4: Simplify right side
   16,996.80x = 221,509,944.98
5. Step 5: Solve for x
   x = 221,509,944.98/16,996.80
6. Step 6: Final answer
   x = 13,032.45