Finding the Fourth Proportional to 1,002.83, 1,503.77 and 650.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,002.83 : 1,503.77 = 650.86 : x
2. Step 2: Convert to fraction form
   1,002.83/1,503.77 = 650.86/x
3. Step 3: Cross multiply
   1,002.83x = 1,503.77 × 650.86
4. Step 4: Simplify right side
   1,002.83x = 978,736.73
5. Step 5: Solve for x
   x = 978,736.73/1,002.83
6. Step 6: Final answer
   x = 975.98