Finding the Fourth Proportional to 1,084.39, 1,497.15 and 712.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,084.39 : 1,497.15 = 712.03 : x
2. Step 2: Convert to fraction form
   1,084.39/1,497.15 = 712.03/x
3. Step 3: Cross multiply
   1,084.39x = 1,497.15 × 712.03
4. Step 4: Simplify right side
   1,084.39x = 1,066,009.67
5. Step 5: Solve for x
   x = 1,066,009.67/1,084.39
6. Step 6: Final answer
   x = 983.05