Finding the Fourth Proportional to 1,802.98, 2,488.22 and 1,017.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,802.98 : 2,488.22 = 1,017.10 : x
2. Step 2: Convert to fraction form
   1,802.98/2,488.22 = 1,017.10/x
3. Step 3: Cross multiply
   1,802.98x = 2,488.22 × 1,017.10
4. Step 4: Simplify right side
   1,802.98x = 2,530,768.56
5. Step 5: Solve for x
   x = 2,530,768.56/1,802.98
6. Step 6: Final answer
   x = 1,403.66