Finding the Fourth Proportional to 9,686.47, 14,516.94 and 3,839.89

Step by Step Solution

1. Step 1: Write the proportion equation
   9,686.47 : 14,516.94 = 3,839.89 : x
2. Step 2: Convert to fraction form
   9,686.47/14,516.94 = 3,839.89/x
3. Step 3: Cross multiply
   9,686.47x = 14,516.94 × 3,839.89
4. Step 4: Simplify right side
   9,686.47x = 55,743,452.74
5. Step 5: Solve for x
   x = 55,743,452.74/9,686.47
6. Step 6: Final answer
   x = 5,754.77