Finding the Fourth Proportional to 1,008.24, 1,499.34 and 997.44

Step by Step Solution

1. Step 1: Write the proportion equation
   1,008.24 : 1,499.34 = 997.44 : x
2. Step 2: Convert to fraction form
   1,008.24/1,499.34 = 997.44/x
3. Step 3: Cross multiply
   1,008.24x = 1,499.34 × 997.44
4. Step 4: Simplify right side
   1,008.24x = 1,495,501.69
5. Step 5: Solve for x
   x = 1,495,501.69/1,008.24
6. Step 6: Final answer
   x = 1,483.28