Finding the Fourth Proportional to 1,069.86, 1,476.74 and 696.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,069.86 : 1,476.74 = 696.18 : x
2. Step 2: Convert to fraction form
   1,069.86/1,476.74 = 696.18/x
3. Step 3: Cross multiply
   1,069.86x = 1,476.74 × 696.18
4. Step 4: Simplify right side
   1,069.86x = 1,028,073.37
5. Step 5: Solve for x
   x = 1,028,073.37/1,069.86
6. Step 6: Final answer
   x = 960.94