Finding the Fourth Proportional to 1,076.52, 1,485.72 and 604.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,076.52 : 1,485.72 = 604.49 : x
2. Step 2: Convert to fraction form
   1,076.52/1,485.72 = 604.49/x
3. Step 3: Cross multiply
   1,076.52x = 1,485.72 × 604.49
4. Step 4: Simplify right side
   1,076.52x = 898,102.88
5. Step 5: Solve for x
   x = 898,102.88/1,076.52
6. Step 6: Final answer
   x = 834.26