Finding the Fourth Proportional to 2,620.17, 3,615.86 and 1,441.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,620.17 : 3,615.86 = 1,441.25 : x
2. Step 2: Convert to fraction form
   2,620.17/3,615.86 = 1,441.25/x
3. Step 3: Cross multiply
   2,620.17x = 3,615.86 × 1,441.25
4. Step 4: Simplify right side
   2,620.17x = 5,211,358.23
5. Step 5: Solve for x
   x = 5,211,358.23/2,620.17
6. Step 6: Final answer
   x = 1,988.94