Finding the Fourth Proportional to 1,076.64, 1,485.69 and 604.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,076.64 : 1,485.69 = 604.52 : x
2. Step 2: Convert to fraction form
   1,076.64/1,485.69 = 604.52/x
3. Step 3: Cross multiply
   1,076.64x = 1,485.69 × 604.52
4. Step 4: Simplify right side
   1,076.64x = 898,121.89
5. Step 5: Solve for x
   x = 898,121.89/1,076.64
6. Step 6: Final answer
   x = 834.19