Finding the Fourth Proportional to 9,818.82, 14,728.54 and 3,896.81

Step by Step Solution

1. Step 1: Write the proportion equation
   9,818.82 : 14,728.54 = 3,896.81 : x
2. Step 2: Convert to fraction form
   9,818.82/14,728.54 = 3,896.81/x
3. Step 3: Cross multiply
   9,818.82x = 14,728.54 × 3,896.81
4. Step 4: Simplify right side
   9,818.82x = 57,394,248.31
5. Step 5: Solve for x
   x = 57,394,248.31/9,818.82
6. Step 6: Final answer
   x = 5,845.33