Finding the Fourth Proportional to 2,620.08, 3,615.74 and 1,441.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,620.08 : 3,615.74 = 1,441.16 : x
2. Step 2: Convert to fraction form
   2,620.08/3,615.74 = 1,441.16/x
3. Step 3: Cross multiply
   2,620.08x = 3,615.74 × 1,441.16
4. Step 4: Simplify right side
   2,620.08x = 5,210,859.86
5. Step 5: Solve for x
   x = 5,210,859.86/2,620.08
6. Step 6: Final answer
   x = 1,988.82