Finding the Fourth Proportional to 2,805.42, 3,870.18 and 1,626.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,805.42 : 3,870.18 = 1,626.18 : x
2. Step 2: Convert to fraction form
   2,805.42/3,870.18 = 1,626.18/x
3. Step 3: Cross multiply
   2,805.42x = 3,870.18 × 1,626.18
4. Step 4: Simplify right side
   2,805.42x = 6,293,609.31
5. Step 5: Solve for x
   x = 6,293,609.31/2,805.42
6. Step 6: Final answer
   x = 2,243.38