Finding the Fourth Proportional to 3,300.63, 4,553.24 and 2,105.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,300.63 : 4,553.24 = 2,105.31 : x
2. Step 2: Convert to fraction form
   3,300.63/4,553.24 = 2,105.31/x
3. Step 3: Cross multiply
   3,300.63x = 4,553.24 × 2,105.31
4. Step 4: Simplify right side
   3,300.63x = 9,585,971.18
5. Step 5: Solve for x
   x = 9,585,971.18/3,300.63
6. Step 6: Final answer
   x = 2,904.29