Finding the Fourth Proportional to 2,650.24, 3,974.01 and 1,005.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,650.24 : 3,974.01 = 1,005.54 : x
2. Step 2: Convert to fraction form
   2,650.24/3,974.01 = 1,005.54/x
3. Step 3: Cross multiply
   2,650.24x = 3,974.01 × 1,005.54
4. Step 4: Simplify right side
   2,650.24x = 3,996,026.02
5. Step 5: Solve for x
   x = 3,996,026.02/2,650.24
6. Step 6: Final answer
   x = 1,507.80