Finding the Fourth Proportional to 5,321.48, 7,342.78 and 2,963.56

Step by Step Solution

1. Step 1: Write the proportion equation
   5,321.48 : 7,342.78 = 2,963.56 : x
2. Step 2: Convert to fraction form
   5,321.48/7,342.78 = 2,963.56/x
3. Step 3: Cross multiply
   5,321.48x = 7,342.78 × 2,963.56
4. Step 4: Simplify right side
   5,321.48x = 21,760,769.10
5. Step 5: Solve for x
   x = 21,760,769.10/5,321.48
6. Step 6: Final answer
   x = 4,089.23