Finding the Fourth Proportional to 1,389.32, 2,084.18 and 696.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,389.32 : 2,084.18 = 696.03 : x
2. Step 2: Convert to fraction form
   1,389.32/2,084.18 = 696.03/x
3. Step 3: Cross multiply
   1,389.32x = 2,084.18 × 696.03
4. Step 4: Simplify right side
   1,389.32x = 1,450,648.33
5. Step 5: Solve for x
   x = 1,450,648.33/1,389.32
6. Step 6: Final answer
   x = 1,044.15