Finding the Fourth Proportional to 1,803.29, 2,488.50 and 1,017.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,803.29 : 2,488.50 = 1,017.33 : x
2. Step 2: Convert to fraction form
   1,803.29/2,488.50 = 1,017.33/x
3. Step 3: Cross multiply
   1,803.29x = 2,488.50 × 1,017.33
4. Step 4: Simplify right side
   1,803.29x = 2,531,634.51
5. Step 5: Solve for x
   x = 2,531,634.51/1,803.29
6. Step 6: Final answer
   x = 1,403.90