Finding the Fourth Proportional to 1,073.80, 1,481.82 and 608.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,073.80 : 1,481.82 = 608.04 : x
2. Step 2: Convert to fraction form
   1,073.80/1,481.82 = 608.04/x
3. Step 3: Cross multiply
   1,073.80x = 1,481.82 × 608.04
4. Step 4: Simplify right side
   1,073.80x = 901,005.83
5. Step 5: Solve for x
   x = 901,005.83/1,073.80
6. Step 6: Final answer
   x = 839.08