Finding the Fourth Proportional to 997.82, 1,499.25 and 632.78

Step by Step Solution

1. Step 1: Write the proportion equation
   997.82 : 1,499.25 = 632.78 : x
2. Step 2: Convert to fraction form
   997.82/1,499.25 = 632.78/x
3. Step 3: Cross multiply
   997.82x = 1,499.25 × 632.78
4. Step 4: Simplify right side
   997.82x = 948,695.42
5. Step 5: Solve for x
   x = 948,695.42/997.82
6. Step 6: Final answer
   x = 950.77