Finding the Fourth Proportional to 14,290.69, 19,721.25 and 8,003.06

Step by Step Solution

1. Step 1: Write the proportion equation
   14,290.69 : 19,721.25 = 8,003.06 : x
2. Step 2: Convert to fraction form
   14,290.69/19,721.25 = 8,003.06/x
3. Step 3: Cross multiply
   14,290.69x = 19,721.25 × 8,003.06
4. Step 4: Simplify right side
   14,290.69x = 157,830,396.33
5. Step 5: Solve for x
   x = 157,830,396.33/14,290.69
6. Step 6: Final answer
   x = 11,044.28