Finding the Fourth Proportional to 3,300.88, 4,553.58 and 2,105.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,300.88 : 4,553.58 = 2,105.56 : x
2. Step 2: Convert to fraction form
   3,300.88/4,553.58 = 2,105.56/x
3. Step 3: Cross multiply
   3,300.88x = 4,553.58 × 2,105.56
4. Step 4: Simplify right side
   3,300.88x = 9,587,835.90
5. Step 5: Solve for x
   x = 9,587,835.90/3,300.88
6. Step 6: Final answer
   x = 2,904.63