Finding the Fourth Proportional to 10,221, 14,104.98 and 5,744.70

Step by Step Solution

1. Step 1: Write the proportion equation
   10,221 : 14,104.98 = 5,744.70 : x
2. Step 2: Convert to fraction form
   10,221/14,104.98 = 5,744.70/x
3. Step 3: Cross multiply
   10,221x = 14,104.98 × 5,744.70
4. Step 4: Simplify right side
   10,221x = 81,028,878.61
5. Step 5: Solve for x
   x = 81,028,878.61/10,221
6. Step 6: Final answer
   x = 7,927.69