Finding the Fourth Proportional to 1,301.88, 1,796.59 and 712.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,301.88 : 1,796.59 = 712.42 : x
2. Step 2: Convert to fraction form
   1,301.88/1,796.59 = 712.42/x
3. Step 3: Cross multiply
   1,301.88x = 1,796.59 × 712.42
4. Step 4: Simplify right side
   1,301.88x = 1,279,926.65
5. Step 5: Solve for x
   x = 1,279,926.65/1,301.88
6. Step 6: Final answer
   x = 983.14