Finding the Fourth Proportional to 2,661.99, 3,995.03 and 1,019.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,661.99 : 3,995.03 = 1,019.01 : x
2. Step 2: Convert to fraction form
   2,661.99/3,995.03 = 1,019.01/x
3. Step 3: Cross multiply
   2,661.99x = 3,995.03 × 1,019.01
4. Step 4: Simplify right side
   2,661.99x = 4,070,960.77
5. Step 5: Solve for x
   x = 4,070,960.77/2,661.99
6. Step 6: Final answer
   x = 1,529.29