Finding the Fourth Proportional to 3,553.38, 5,330.89 and 1,088.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,553.38 : 5,330.89 = 1,088.56 : x
2. Step 2: Convert to fraction form
   3,553.38/5,330.89 = 1,088.56/x
3. Step 3: Cross multiply
   3,553.38x = 5,330.89 × 1,088.56
4. Step 4: Simplify right side
   3,553.38x = 5,802,993.62
5. Step 5: Solve for x
   x = 5,802,993.62/3,553.38
6. Step 6: Final answer
   x = 1,633.09