Finding the Fourth Proportional to 16,513.74, 22,781.52 and 9,799.65

Step by Step Solution

1. Step 1: Write the proportion equation
   16,513.74 : 22,781.52 = 9,799.65 : x
2. Step 2: Convert to fraction form
   16,513.74/22,781.52 = 9,799.65/x
3. Step 3: Cross multiply
   16,513.74x = 22,781.52 × 9,799.65
4. Step 4: Simplify right side
   16,513.74x = 223,250,922.47
5. Step 5: Solve for x
   x = 223,250,922.47/16,513.74
6. Step 6: Final answer
   x = 13,519.10