Finding the Fourth Proportional to 13,582.72, 18,726.24 and 9,802.72

Step by Step Solution

1. Step 1: Write the proportion equation
   13,582.72 : 18,726.24 = 9,802.72 : x
2. Step 2: Convert to fraction form
   13,582.72/18,726.24 = 9,802.72/x
3. Step 3: Cross multiply
   13,582.72x = 18,726.24 × 9,802.72
4. Step 4: Simplify right side
   13,582.72x = 183,568,087.37
5. Step 5: Solve for x
   x = 183,568,087.37/13,582.72
6. Step 6: Final answer
   x = 13,514.83