Finding the Fourth Proportional to 2,641.30, 3,645.08 and 1,522.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,641.30 : 3,645.08 = 1,522.15 : x
2. Step 2: Convert to fraction form
   2,641.30/3,645.08 = 1,522.15/x
3. Step 3: Cross multiply
   2,641.30x = 3,645.08 × 1,522.15
4. Step 4: Simplify right side
   2,641.30x = 5,548,358.52
5. Step 5: Solve for x
   x = 5,548,358.52/2,641.30
6. Step 6: Final answer
   x = 2,100.62