Finding the Fourth Proportional to 2,650.52, 3,976.64 and 1,007.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,650.52 : 3,976.64 = 1,007.52 : x
2. Step 2: Convert to fraction form
   2,650.52/3,976.64 = 1,007.52/x
3. Step 3: Cross multiply
   2,650.52x = 3,976.64 × 1,007.52
4. Step 4: Simplify right side
   2,650.52x = 4,006,544.33
5. Step 5: Solve for x
   x = 4,006,544.33/2,650.52
6. Step 6: Final answer
   x = 1,511.61