Finding the Fourth Proportional to 1,084.38, 1,496.84 and 1,002.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,084.38 : 1,496.84 = 1,002.57 : x
2. Step 2: Convert to fraction form
   1,084.38/1,496.84 = 1,002.57/x
3. Step 3: Cross multiply
   1,084.38x = 1,496.84 × 1,002.57
4. Step 4: Simplify right side
   1,084.38x = 1,500,686.88
5. Step 5: Solve for x
   x = 1,500,686.88/1,084.38
6. Step 6: Final answer
   x = 1,383.91