Finding the Fourth Proportional to 1,069.41, 1,475.15 and 649.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,069.41 : 1,475.15 = 649.47 : x
2. Step 2: Convert to fraction form
   1,069.41/1,475.15 = 649.47/x
3. Step 3: Cross multiply
   1,069.41x = 1,475.15 × 649.47
4. Step 4: Simplify right side
   1,069.41x = 958,062.42
5. Step 5: Solve for x
   x = 958,062.42/1,069.41
6. Step 6: Final answer
   x = 895.88