Finding the Fourth Proportional to 1,076.49, 1,485.57 and 604.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,076.49 : 1,485.57 = 604.38 : x
2. Step 2: Convert to fraction form
   1,076.49/1,485.57 = 604.38/x
3. Step 3: Cross multiply
   1,076.49x = 1,485.57 × 604.38
4. Step 4: Simplify right side
   1,076.49x = 897,848.80
5. Step 5: Solve for x
   x = 897,848.80/1,076.49
6. Step 6: Final answer
   x = 834.05