Finding the Fourth Proportional to 1,078.37, 1,488.02 and 606.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,078.37 : 1,488.02 = 606.17 : x
2. Step 2: Convert to fraction form
   1,078.37/1,488.02 = 606.17/x
3. Step 3: Cross multiply
   1,078.37x = 1,488.02 × 606.17
4. Step 4: Simplify right side
   1,078.37x = 901,993.08
5. Step 5: Solve for x
   x = 901,993.08/1,078.37
6. Step 6: Final answer
   x = 836.44