Finding the Fourth Proportional to 9,747.12, 13,449.06 and 5,768.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,747.12 : 13,449.06 = 5,768.76 : x
2. Step 2: Convert to fraction form
   9,747.12/13,449.06 = 5,768.76/x
3. Step 3: Cross multiply
   9,747.12x = 13,449.06 × 5,768.76
4. Step 4: Simplify right side
   9,747.12x = 77,584,399.37
5. Step 5: Solve for x
   x = 77,584,399.37/9,747.12
6. Step 6: Final answer
   x = 7,959.73