Finding the Fourth Proportional to 1,301.85, 1,796.55 and 712.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,301.85 : 1,796.55 = 712.38 : x
2. Step 2: Convert to fraction form
   1,301.85/1,796.55 = 712.38/x
3. Step 3: Cross multiply
   1,301.85x = 1,796.55 × 712.38
4. Step 4: Simplify right side
   1,301.85x = 1,279,826.29
5. Step 5: Solve for x
   x = 1,279,826.29/1,301.85
6. Step 6: Final answer
   x = 983.08