Finding the Fourth Proportional to 1,285.34, 1,773.77 and 695.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,285.34 : 1,773.77 = 695.88 : x
2. Step 2: Convert to fraction form
   1,285.34/1,773.77 = 695.88/x
3. Step 3: Cross multiply
   1,285.34x = 1,773.77 × 695.88
4. Step 4: Simplify right side
   1,285.34x = 1,234,327.59
5. Step 5: Solve for x
   x = 1,234,327.59/1,285.34
6. Step 6: Final answer
   x = 960.32