Finding the Fourth Proportional to 1,404.03, 2,104.25 and 1,028.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.03 : 2,104.25 = 1,028.31 : x
2. Step 2: Convert to fraction form
   1,404.03/2,104.25 = 1,028.31/x
3. Step 3: Cross multiply
   1,404.03x = 2,104.25 × 1,028.31
4. Step 4: Simplify right side
   1,404.03x = 2,163,808.29
5. Step 5: Solve for x
   x = 2,163,808.29/1,404.03
6. Step 6: Final answer
   x = 1,541.14