Finding the Fourth Proportional to 2,650.32, 3,977.32 and 2,629.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,650.32 : 3,977.32 = 2,629.82 : x
2. Step 2: Convert to fraction form
   2,650.32/3,977.32 = 2,629.82/x
3. Step 3: Cross multiply
   2,650.32x = 3,977.32 × 2,629.82
4. Step 4: Simplify right side
   2,650.32x = 10,459,635.68
5. Step 5: Solve for x
   x = 10,459,635.68/2,650.32
6. Step 6: Final answer
   x = 3,946.56