Finding the Fourth Proportional to 1,394.89, 2,084.37 and 1,003.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,394.89 : 2,084.37 = 1,003.05 : x
2. Step 2: Convert to fraction form
   1,394.89/2,084.37 = 1,003.05/x
3. Step 3: Cross multiply
   1,394.89x = 2,084.37 × 1,003.05
4. Step 4: Simplify right side
   1,394.89x = 2,090,723.57
5. Step 5: Solve for x
   x = 2,090,723.57/1,394.89
6. Step 6: Final answer
   x = 1,498.85