Finding the Fourth Proportional to 2,379.70, 3,282.42 and 1,820.26

Step by Step Solution

1. Step 1: Write the proportion equation
   2,379.70 : 3,282.42 = 1,820.26 : x
2. Step 2: Convert to fraction form
   2,379.70/3,282.42 = 1,820.26/x
3. Step 3: Cross multiply
   2,379.70x = 3,282.42 × 1,820.26
4. Step 4: Simplify right side
   2,379.70x = 5,974,857.83
5. Step 5: Solve for x
   x = 5,974,857.83/2,379.70
6. Step 6: Final answer
   x = 2,510.76