Finding the Fourth Proportional to 1,302.37, 1,797.25 and 712.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,302.37 : 1,797.25 = 712.89 : x
2. Step 2: Convert to fraction form
   1,302.37/1,797.25 = 712.89/x
3. Step 3: Cross multiply
   1,302.37x = 1,797.25 × 712.89
4. Step 4: Simplify right side
   1,302.37x = 1,281,241.55
5. Step 5: Solve for x
   x = 1,281,241.55/1,302.37
6. Step 6: Final answer
   x = 983.78