Finding the Fourth Proportional to 1,301.97, 1,796.76 and 712.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,301.97 : 1,796.76 = 712.55 : x
2. Step 2: Convert to fraction form
   1,301.97/1,796.76 = 712.55/x
3. Step 3: Cross multiply
   1,301.97x = 1,796.76 × 712.55
4. Step 4: Simplify right side
   1,301.97x = 1,280,281.34
5. Step 5: Solve for x
   x = 1,280,281.34/1,301.97
6. Step 6: Final answer
   x = 983.34