Finding the Fourth Proportional to 1,403.37, 2,104.25 and 671.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,403.37 : 2,104.25 = 671.94 : x
2. Step 2: Convert to fraction form
   1,403.37/2,104.25 = 671.94/x
3. Step 3: Cross multiply
   1,403.37x = 2,104.25 × 671.94
4. Step 4: Simplify right side
   1,403.37x = 1,413,926.39
5. Step 5: Solve for x
   x = 1,413,926.39/1,403.37
6. Step 6: Final answer
   x = 1,007.52