Finding the Fourth Proportional to 9,854.89, 14,786.73 and 5,353.31

Step by Step Solution

1. Step 1: Write the proportion equation
   9,854.89 : 14,786.73 = 5,353.31 : x
2. Step 2: Convert to fraction form
   9,854.89/14,786.73 = 5,353.31/x
3. Step 3: Cross multiply
   9,854.89x = 14,786.73 × 5,353.31
4. Step 4: Simplify right side
   9,854.89x = 79,157,949.58
5. Step 5: Solve for x
   x = 79,157,949.58/9,854.89
6. Step 6: Final answer
   x = 8,032.36