Finding the Fourth Proportional to 14,514.82, 21,781.92 and 5,280.82

Step by Step Solution

1. Step 1: Write the proportion equation
   14,514.82 : 21,781.92 = 5,280.82 : x
2. Step 2: Convert to fraction form
   14,514.82/21,781.92 = 5,280.82/x
3. Step 3: Cross multiply
   14,514.82x = 21,781.92 × 5,280.82
4. Step 4: Simplify right side
   14,514.82x = 115,026,398.77
5. Step 5: Solve for x
   x = 115,026,398.77/14,514.82
6. Step 6: Final answer
   x = 7,924.76