Finding the Fourth Proportional to 1,301.79, 1,796.49 and 712.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,301.79 : 1,796.49 = 712.38 : x
2. Step 2: Convert to fraction form
   1,301.79/1,796.49 = 712.38/x
3. Step 3: Cross multiply
   1,301.79x = 1,796.49 × 712.38
4. Step 4: Simplify right side
   1,301.79x = 1,279,783.55
5. Step 5: Solve for x
   x = 1,279,783.55/1,301.79
6. Step 6: Final answer
   x = 983.10