Finding the Fourth Proportional to 2,662.06, 3,674.07 and 1,918.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,662.06 : 3,674.07 = 1,918.48 : x
2. Step 2: Convert to fraction form
   2,662.06/3,674.07 = 1,918.48/x
3. Step 3: Cross multiply
   2,662.06x = 3,674.07 × 1,918.48
4. Step 4: Simplify right side
   2,662.06x = 7,048,629.81
5. Step 5: Solve for x
   x = 7,048,629.81/2,662.06
6. Step 6: Final answer
   x = 2,647.81