Finding the Fourth Proportional to 2,805.00, 3,870.68 and 1,626.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,805.00 : 3,870.68 = 1,626.15 : x
2. Step 2: Convert to fraction form
   2,805.00/3,870.68 = 1,626.15/x
3. Step 3: Cross multiply
   2,805.00x = 3,870.68 × 1,626.15
4. Step 4: Simplify right side
   2,805.00x = 6,294,290.89
5. Step 5: Solve for x
   x = 6,294,290.89/2,805.00
6. Step 6: Final answer
   x = 2,243.95