Finding the Fourth Proportional to 2,064.72, 3,096.90 and 604.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,064.72 : 3,096.90 = 604.20 : x
2. Step 2: Convert to fraction form
   2,064.72/3,096.90 = 604.20/x
3. Step 3: Cross multiply
   2,064.72x = 3,096.90 × 604.20
4. Step 4: Simplify right side
   2,064.72x = 1,871,146.98
5. Step 5: Solve for x
   x = 1,871,146.98/2,064.72
6. Step 6: Final answer
   x = 906.25