Finding the Fourth Proportional to 2,641.72, 3,645.94 and 1,522.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,641.72 : 3,645.94 = 1,522.84 : x
2. Step 2: Convert to fraction form
   2,641.72/3,645.94 = 1,522.84/x
3. Step 3: Cross multiply
   2,641.72x = 3,645.94 × 1,522.84
4. Step 4: Simplify right side
   2,641.72x = 5,552,183.27
5. Step 5: Solve for x
   x = 5,552,183.27/2,641.72
6. Step 6: Final answer
   x = 2,101.73