Finding the Fourth Proportional to 1,302.16, 1,796.98 and 712.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,302.16 : 1,796.98 = 712.69 : x
2. Step 2: Convert to fraction form
   1,302.16/1,796.98 = 712.69/x
3. Step 3: Cross multiply
   1,302.16x = 1,796.98 × 712.69
4. Step 4: Simplify right side
   1,302.16x = 1,280,687.89
5. Step 5: Solve for x
   x = 1,280,687.89/1,302.16
6. Step 6: Final answer
   x = 983.51