Finding the Fourth Proportional to 3,553.48, 5,332.38 and 3,259.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,553.48 : 5,332.38 = 3,259.72 : x
2. Step 2: Convert to fraction form
   3,553.48/5,332.38 = 3,259.72/x
3. Step 3: Cross multiply
   3,553.48x = 5,332.38 × 3,259.72
4. Step 4: Simplify right side
   3,553.48x = 17,382,065.73
5. Step 5: Solve for x
   x = 17,382,065.73/3,553.48
6. Step 6: Final answer
   x = 4,891.56