Finding the Fourth Proportional to 2,805.49, 3,866.25 and 2,018.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,805.49 : 3,866.25 = 2,018.17 : x
2. Step 2: Convert to fraction form
   2,805.49/3,866.25 = 2,018.17/x
3. Step 3: Cross multiply
   2,805.49x = 3,866.25 × 2,018.17
4. Step 4: Simplify right side
   2,805.49x = 7,802,749.76
5. Step 5: Solve for x
   x = 7,802,749.76/2,805.49
6. Step 6: Final answer
   x = 2,781.24