Finding the Fourth Proportional to 2,644.95, 3,649.72 and 1,525.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,644.95 : 3,649.72 = 1,525.87 : x
2. Step 2: Convert to fraction form
   2,644.95/3,649.72 = 1,525.87/x
3. Step 3: Cross multiply
   2,644.95x = 3,649.72 × 1,525.87
4. Step 4: Simplify right side
   2,644.95x = 5,568,998.26
5. Step 5: Solve for x
   x = 5,568,998.26/2,644.95
6. Step 6: Final answer
   x = 2,105.52