Finding the Fourth Proportional to 1,078.48, 1,488.27 and 606.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,078.48 : 1,488.27 = 606.34 : x
2. Step 2: Convert to fraction form
   1,078.48/1,488.27 = 606.34/x
3. Step 3: Cross multiply
   1,078.48x = 1,488.27 × 606.34
4. Step 4: Simplify right side
   1,078.48x = 902,397.63
5. Step 5: Solve for x
   x = 902,397.63/1,078.48
6. Step 6: Final answer
   x = 836.73