Finding the Fourth Proportional to 1,076.34, 1,485.35 and 604.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,076.34 : 1,485.35 = 604.17 : x
2. Step 2: Convert to fraction form
   1,076.34/1,485.35 = 604.17/x
3. Step 3: Cross multiply
   1,076.34x = 1,485.35 × 604.17
4. Step 4: Simplify right side
   1,076.34x = 897,400.89
5. Step 5: Solve for x
   x = 897,400.89/1,076.34
6. Step 6: Final answer
   x = 833.75