Finding the Fourth Proportional to 2,017.13, 3,026.10 and 1,399.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,017.13 : 3,026.10 = 1,399.10 : x
2. Step 2: Convert to fraction form
   2,017.13/3,026.10 = 1,399.10/x
3. Step 3: Cross multiply
   2,017.13x = 3,026.10 × 1,399.10
4. Step 4: Simplify right side
   2,017.13x = 4,233,816.51
5. Step 5: Solve for x
   x = 4,233,816.51/2,017.13
6. Step 6: Final answer
   x = 2,098.93