Finding the Fourth Proportional to 2,107.63, 2,908.52 and 1,163.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,107.63 : 2,908.52 = 1,163.48 : x
2. Step 2: Convert to fraction form
   2,107.63/2,908.52 = 1,163.48/x
3. Step 3: Cross multiply
   2,107.63x = 2,908.52 × 1,163.48
4. Step 4: Simplify right side
   2,107.63x = 3,384,006.30
5. Step 5: Solve for x
   x = 3,384,006.30/2,107.63
6. Step 6: Final answer
   x = 1,605.60