Finding the Fourth Proportional to 2,650.81, 3,973.19 and 1,262.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,650.81 : 3,973.19 = 1,262.18 : x
2. Step 2: Convert to fraction form
   2,650.81/3,973.19 = 1,262.18/x
3. Step 3: Cross multiply
   2,650.81x = 3,973.19 × 1,262.18
4. Step 4: Simplify right side
   2,650.81x = 5,014,880.95
5. Step 5: Solve for x
   x = 5,014,880.95/2,650.81
6. Step 6: Final answer
   x = 1,891.83