Finding the Fourth Proportional to 1,078.24, 1,488.00 and 606.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,078.24 : 1,488.00 = 606.18 : x
2. Step 2: Convert to fraction form
   1,078.24/1,488.00 = 606.18/x
3. Step 3: Cross multiply
   1,078.24x = 1,488.00 × 606.18
4. Step 4: Simplify right side
   1,078.24x = 901,985.37
5. Step 5: Solve for x
   x = 901,985.37/1,078.24
6. Step 6: Final answer
   x = 836.54