Finding the Fourth Proportional to 2,017.35, 3,008.78 and 1,772.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,017.35 : 3,008.78 = 1,772.18 : x
2. Step 2: Convert to fraction form
   2,017.35/3,008.78 = 1,772.18/x
3. Step 3: Cross multiply
   2,017.35x = 3,008.78 × 1,772.18
4. Step 4: Simplify right side
   2,017.35x = 5,332,075.84
5. Step 5: Solve for x
   x = 5,332,075.84/2,017.35
6. Step 6: Final answer
   x = 2,643.11