Finding the Fourth Proportional to 9,786.96, 14,680.26 and 3,943.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,786.96 : 14,680.26 = 3,943.42 : x
2. Step 2: Convert to fraction form
   9,786.96/14,680.26 = 3,943.42/x
3. Step 3: Cross multiply
   9,786.96x = 14,680.26 × 3,943.42
4. Step 4: Simplify right side
   9,786.96x = 57,890,430.89
5. Step 5: Solve for x
   x = 57,890,430.89/9,786.96
6. Step 6: Final answer
   x = 5,915.06