Finding the Fourth Proportional to 1,284.89, 1,773.14 and 695.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,284.89 : 1,773.14 = 695.42 : x
2. Step 2: Convert to fraction form
   1,284.89/1,773.14 = 695.42/x
3. Step 3: Cross multiply
   1,284.89x = 1,773.14 × 695.42
4. Step 4: Simplify right side
   1,284.89x = 1,233,071.33
5. Step 5: Solve for x
   x = 1,233,071.33/1,284.89
6. Step 6: Final answer
   x = 959.67