Finding the Fourth Proportional to 1,085.46, 1,630.86 and 695.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,085.46 : 1,630.86 = 695.62 : x
2. Step 2: Convert to fraction form
   1,085.46/1,630.86 = 695.62/x
3. Step 3: Cross multiply
   1,085.46x = 1,630.86 × 695.62
4. Step 4: Simplify right side
   1,085.46x = 1,134,458.26
5. Step 5: Solve for x
   x = 1,134,458.26/1,085.46
6. Step 6: Final answer
   x = 1,045.14