Finding the Fourth Proportional to 16,521.95, 22,789.91 and 9,802.82

Step by Step Solution

1. Step 1: Write the proportion equation
   16,521.95 : 22,789.91 = 9,802.82 : x
2. Step 2: Convert to fraction form
   16,521.95/22,789.91 = 9,802.82/x
3. Step 3: Cross multiply
   16,521.95x = 22,789.91 × 9,802.82
4. Step 4: Simplify right side
   16,521.95x = 223,405,222.58
5. Step 5: Solve for x
   x = 223,405,222.58/16,521.95
6. Step 6: Final answer
   x = 13,521.73