Finding the Fourth Proportional to 1,069.33, 1,604.10 and 444.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,069.33 : 1,604.10 = 444.50 : x
2. Step 2: Convert to fraction form
   1,069.33/1,604.10 = 444.50/x
3. Step 3: Cross multiply
   1,069.33x = 1,604.10 × 444.50
4. Step 4: Simplify right side
   1,069.33x = 713,012.21
5. Step 5: Solve for x
   x = 713,012.21/1,069.33
6. Step 6: Final answer
   x = 666.79