Finding the Fourth Proportional to 1,301.88, 1,796.61 and 712.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,301.88 : 1,796.61 = 712.41 : x
2. Step 2: Convert to fraction form
   1,301.88/1,796.61 = 712.41/x
3. Step 3: Cross multiply
   1,301.88x = 1,796.61 × 712.41
4. Step 4: Simplify right side
   1,301.88x = 1,279,918.86
5. Step 5: Solve for x
   x = 1,279,918.86/1,301.88
6. Step 6: Final answer
   x = 983.13