Finding the Fourth Proportional to 9,740.28, 13,443.72 and 5,761.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,740.28 : 13,443.72 = 5,761.56 : x
2. Step 2: Convert to fraction form
   9,740.28/13,443.72 = 5,761.56/x
3. Step 3: Cross multiply
   9,740.28x = 13,443.72 × 5,761.56
4. Step 4: Simplify right side
   9,740.28x = 77,456,799.40
5. Step 5: Solve for x
   x = 77,456,799.40/9,740.28
6. Step 6: Final answer
   x = 7,952.21