Finding the Fourth Proportional to 20,682.43, 31,014.33 and 5,887.78

Step by Step Solution

1. Step 1: Write the proportion equation
   20,682.43 : 31,014.33 = 5,887.78 : x
2. Step 2: Convert to fraction form
   20,682.43/31,014.33 = 5,887.78/x
3. Step 3: Cross multiply
   20,682.43x = 31,014.33 × 5,887.78
4. Step 4: Simplify right side
   20,682.43x = 182,605,551.89
5. Step 5: Solve for x
   x = 182,605,551.89/20,682.43
6. Step 6: Final answer
   x = 8,829.02