Finding the Fourth Proportional to 3,573.87, 5,361.30 and 1,108.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,573.87 : 5,361.30 = 1,108.89 : x
2. Step 2: Convert to fraction form
   3,573.87/5,361.30 = 1,108.89/x
3. Step 3: Cross multiply
   3,573.87x = 5,361.30 × 1,108.89
4. Step 4: Simplify right side
   3,573.87x = 5,945,091.96
5. Step 5: Solve for x
   x = 5,945,091.96/3,573.87
6. Step 6: Final answer
   x = 1,663.49