Finding the Fourth Proportional to 1,069.39, 1,475.33 and 649.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,069.39 : 1,475.33 = 649.58 : x
2. Step 2: Convert to fraction form
   1,069.39/1,475.33 = 649.58/x
3. Step 3: Cross multiply
   1,069.39x = 1,475.33 × 649.58
4. Step 4: Simplify right side
   1,069.39x = 958,345.30
5. Step 5: Solve for x
   x = 958,345.30/1,069.39
6. Step 6: Final answer
   x = 896.16