Finding the Fourth Proportional to 1,076.39, 1,485.54 and 604.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,076.39 : 1,485.54 = 604.42 : x
2. Step 2: Convert to fraction form
   1,076.39/1,485.54 = 604.42/x
3. Step 3: Cross multiply
   1,076.39x = 1,485.54 × 604.42
4. Step 4: Simplify right side
   1,076.39x = 897,890.09
5. Step 5: Solve for x
   x = 897,890.09/1,076.39
6. Step 6: Final answer
   x = 834.17