Finding the Fourth Proportional to 14,010.98, 21,016.76 and 5,685.31

Step by Step Solution

1. Step 1: Write the proportion equation
   14,010.98 : 21,016.76 = 5,685.31 : x
2. Step 2: Convert to fraction form
   14,010.98/21,016.76 = 5,685.31/x
3. Step 3: Cross multiply
   14,010.98x = 21,016.76 × 5,685.31
4. Step 4: Simplify right side
   14,010.98x = 119,486,757.47
5. Step 5: Solve for x
   x = 119,486,757.47/14,010.98
6. Step 6: Final answer
   x = 8,528.08