Finding the Fourth Proportional to 9,751.38, 13,456.08 and 5,771.79

Step by Step Solution

1. Step 1: Write the proportion equation
   9,751.38 : 13,456.08 = 5,771.79 : x
2. Step 2: Convert to fraction form
   9,751.38/13,456.08 = 5,771.79/x
3. Step 3: Cross multiply
   9,751.38x = 13,456.08 × 5,771.79
4. Step 4: Simplify right side
   9,751.38x = 77,665,667.98
5. Step 5: Solve for x
   x = 77,665,667.98/9,751.38
6. Step 6: Final answer
   x = 7,964.58