Finding the Fourth Proportional to 1,284.48, 1,772.59 and 695.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,284.48 : 1,772.59 = 695.02 : x
2. Step 2: Convert to fraction form
   1,284.48/1,772.59 = 695.02/x
3. Step 3: Cross multiply
   1,284.48x = 1,772.59 × 695.02
4. Step 4: Simplify right side
   1,284.48x = 1,231,985.50
5. Step 5: Solve for x
   x = 1,231,985.50/1,284.48
6. Step 6: Final answer
   x = 959.13