Finding the Fourth Proportional to 1,039.37, 1,560.71 and 650.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,039.37 : 1,560.71 = 650.16 : x
2. Step 2: Convert to fraction form
   1,039.37/1,560.71 = 650.16/x
3. Step 3: Cross multiply
   1,039.37x = 1,560.71 × 650.16
4. Step 4: Simplify right side
   1,039.37x = 1,014,712.84
5. Step 5: Solve for x
   x = 1,014,712.84/1,039.37
6. Step 6: Final answer
   x = 976.28