Finding the Fourth Proportional to 1,262.82, 1,742.69 and 710.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,262.82 : 1,742.69 = 710.82 : x
2. Step 2: Convert to fraction form
   1,262.82/1,742.69 = 710.82/x
3. Step 3: Cross multiply
   1,262.82x = 1,742.69 × 710.82
4. Step 4: Simplify right side
   1,262.82x = 1,238,726.64
5. Step 5: Solve for x
   x = 1,238,726.64/1,262.82
6. Step 6: Final answer
   x = 980.92