Finding the Fourth Proportional to 16,497.72, 22,765.59 and 9,782.82

Step by Step Solution

1. Step 1: Write the proportion equation
   16,497.72 : 22,765.59 = 9,782.82 : x
2. Step 2: Convert to fraction form
   16,497.72/22,765.59 = 9,782.82/x
3. Step 3: Cross multiply
   16,497.72x = 22,765.59 × 9,782.82
4. Step 4: Simplify right side
   16,497.72x = 222,711,669.16
5. Step 5: Solve for x
   x = 222,711,669.16/16,497.72
6. Step 6: Final answer
   x = 13,499.54