Finding the Fourth Proportional to 1,078.29, 1,488.17 and 606.19

Step by Step Solution

1. Step 1: Write the proportion equation
   1,078.29 : 1,488.17 = 606.19 : x
2. Step 2: Convert to fraction form
   1,078.29/1,488.17 = 606.19/x
3. Step 3: Cross multiply
   1,078.29x = 1,488.17 × 606.19
4. Step 4: Simplify right side
   1,078.29x = 902,113.77
5. Step 5: Solve for x
   x = 902,113.77/1,078.29
6. Step 6: Final answer
   x = 836.62