Finding the Fourth Proportional to 16,703.47, 23,022.79 and 13,335.49

Step by Step Solution

1. Step 1: Write the proportion equation
   16,703.47 : 23,022.79 = 13,335.49 : x
2. Step 2: Convert to fraction form
   16,703.47/23,022.79 = 13,335.49/x
3. Step 3: Cross multiply
   16,703.47x = 23,022.79 × 13,335.49
4. Step 4: Simplify right side
   16,703.47x = 307,020,185.82
5. Step 5: Solve for x
   x = 307,020,185.82/16,703.47
6. Step 6: Final answer
   x = 18,380.62