Finding the Fourth Proportional to 9,956.46, 13,739.31 and 5,766.06

Step by Step Solution

1. Step 1: Write the proportion equation
   9,956.46 : 13,739.31 = 5,766.06 : x
2. Step 2: Convert to fraction form
   9,956.46/13,739.31 = 5,766.06/x
3. Step 3: Cross multiply
   9,956.46x = 13,739.31 × 5,766.06
4. Step 4: Simplify right side
   9,956.46x = 79,221,685.82
5. Step 5: Solve for x
   x = 79,221,685.82/9,956.46
6. Step 6: Final answer
   x = 7,956.81