Finding the Fourth Proportional to 1,301.81, 1,796.43 and 712.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,301.81 : 1,796.43 = 712.34 : x
2. Step 2: Convert to fraction form
   1,301.81/1,796.43 = 712.34/x
3. Step 3: Cross multiply
   1,301.81x = 1,796.43 × 712.34
4. Step 4: Simplify right side
   1,301.81x = 1,279,668.95
5. Step 5: Solve for x
   x = 1,279,668.95/1,301.81
6. Step 6: Final answer
   x = 982.99