Finding the Fourth Proportional to 1,803.43, 2,488.97 and 1,017.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,803.43 : 2,488.97 = 1,017.50 : x
2. Step 2: Convert to fraction form
   1,803.43/2,488.97 = 1,017.50/x
3. Step 3: Cross multiply
   1,803.43x = 2,488.97 × 1,017.50
4. Step 4: Simplify right side
   1,803.43x = 2,532,521.89
5. Step 5: Solve for x
   x = 2,532,521.89/1,803.43
6. Step 6: Final answer
   x = 1,404.28