Finding the Fourth Proportional to 1,301.91, 1,796.65 and 712.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,301.91 : 1,796.65 = 712.43 : x
2. Step 2: Convert to fraction form
   1,301.91/1,796.65 = 712.43/x
3. Step 3: Cross multiply
   1,301.91x = 1,796.65 × 712.43
4. Step 4: Simplify right side
   1,301.91x = 1,279,983.33
5. Step 5: Solve for x
   x = 1,279,983.33/1,301.91
6. Step 6: Final answer
   x = 983.16