Finding the Fourth Proportional to 1,078.52, 1,488.48 and 606.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,078.52 : 1,488.48 = 606.50 : x
2. Step 2: Convert to fraction form
   1,078.52/1,488.48 = 606.50/x
3. Step 3: Cross multiply
   1,078.52x = 1,488.48 × 606.50
4. Step 4: Simplify right side
   1,078.52x = 902,763.12
5. Step 5: Solve for x
   x = 902,763.12/1,078.52
6. Step 6: Final answer
   x = 837.04