Finding the Fourth Proportional to 2,640.83, 3,644.94 and 1,522.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,640.83 : 3,644.94 = 1,522.41 : x
2. Step 2: Convert to fraction form
   2,640.83/3,644.94 = 1,522.41/x
3. Step 3: Cross multiply
   2,640.83x = 3,644.94 × 1,522.41
4. Step 4: Simplify right side
   2,640.83x = 5,549,093.11
5. Step 5: Solve for x
   x = 5,549,093.11/2,640.83
6. Step 6: Final answer
   x = 2,101.27