Finding the Fourth Proportional to 2,641.32, 3,645.07 and 1,522.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,641.32 : 3,645.07 = 1,522.07 : x
2. Step 2: Convert to fraction form
   2,641.32/3,645.07 = 1,522.07/x
3. Step 3: Cross multiply
   2,641.32x = 3,645.07 × 1,522.07
4. Step 4: Simplify right side
   2,641.32x = 5,548,025.86
5. Step 5: Solve for x
   x = 5,548,025.86/2,641.32
6. Step 6: Final answer
   x = 2,100.48