Finding the Fourth Proportional to 9,961.12, 13,743.30 and 5,768.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,961.12 : 13,743.30 = 5,768.56 : x
2. Step 2: Convert to fraction form
   9,961.12/13,743.30 = 5,768.56/x
3. Step 3: Cross multiply
   9,961.12x = 13,743.30 × 5,768.56
4. Step 4: Simplify right side
   9,961.12x = 79,279,050.65
5. Step 5: Solve for x
   x = 79,279,050.65/9,961.12
6. Step 6: Final answer
   x = 7,958.85