Finding the Fourth Proportional to 2,553.65, 3,826.94 and 1,163.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,553.65 : 3,826.94 = 1,163.59 : x
2. Step 2: Convert to fraction form
   2,553.65/3,826.94 = 1,163.59/x
3. Step 3: Cross multiply
   2,553.65x = 3,826.94 × 1,163.59
4. Step 4: Simplify right side
   2,553.65x = 4,452,994.32
5. Step 5: Solve for x
   x = 4,452,994.32/2,553.65
6. Step 6: Final answer
   x = 1,743.77