Finding the Fourth Proportional to 1,296.82, 1,789.59 and 707.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,296.82 : 1,789.59 = 707.35 : x
2. Step 2: Convert to fraction form
   1,296.82/1,789.59 = 707.35/x
3. Step 3: Cross multiply
   1,296.82x = 1,789.59 × 707.35
4. Step 4: Simplify right side
   1,296.82x = 1,265,866.49
5. Step 5: Solve for x
   x = 1,265,866.49/1,296.82
6. Step 6: Final answer
   x = 976.13