Finding the Fourth Proportional to 2,361.90, 3,259.38 and 1,615.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,361.90 : 3,259.38 = 1,615.83 : x
2. Step 2: Convert to fraction form
   2,361.90/3,259.38 = 1,615.83/x
3. Step 3: Cross multiply
   2,361.90x = 3,259.38 × 1,615.83
4. Step 4: Simplify right side
   2,361.90x = 5,266,608.09
5. Step 5: Solve for x
   x = 5,266,608.09/2,361.90
6. Step 6: Final answer
   x = 2,229.82