Finding the Fourth Proportional to 2,619.96, 3,615.54 and 1,441.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,619.96 : 3,615.54 = 1,441.01 : x
2. Step 2: Convert to fraction form
   2,619.96/3,615.54 = 1,441.01/x
3. Step 3: Cross multiply
   2,619.96x = 3,615.54 × 1,441.01
4. Step 4: Simplify right side
   2,619.96x = 5,210,012.59
5. Step 5: Solve for x
   x = 5,210,012.59/2,619.96
6. Step 6: Final answer
   x = 1,988.58