Finding the Fourth Proportional to 2,205.90, 3,290.27 and 2,052.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,205.90 : 3,290.27 = 2,052.81 : x
2. Step 2: Convert to fraction form
   2,205.90/3,290.27 = 2,052.81/x
3. Step 3: Cross multiply
   2,205.90x = 3,290.27 × 2,052.81
4. Step 4: Simplify right side
   2,205.90x = 6,754,288.89
5. Step 5: Solve for x
   x = 6,754,288.89/2,205.90
6. Step 6: Final answer
   x = 3,061.92