Finding the Fourth Proportional to 2,024.72, 3,036.72 and 637.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,024.72 : 3,036.72 = 637.76 : x
2. Step 2: Convert to fraction form
   2,024.72/3,036.72 = 637.76/x
3. Step 3: Cross multiply
   2,024.72x = 3,036.72 × 637.76
4. Step 4: Simplify right side
   2,024.72x = 1,936,698.55
5. Step 5: Solve for x
   x = 1,936,698.55/2,024.72
6. Step 6: Final answer
   x = 956.53