Finding the Fourth Proportional to 2,667.37, 3,681.62 and 1,620.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,667.37 : 3,681.62 = 1,620.31 : x
2. Step 2: Convert to fraction form
   2,667.37/3,681.62 = 1,620.31/x
3. Step 3: Cross multiply
   2,667.37x = 3,681.62 × 1,620.31
4. Step 4: Simplify right side
   2,667.37x = 5,965,351.34
5. Step 5: Solve for x
   x = 5,965,351.34/2,667.37
6. Step 6: Final answer
   x = 2,236.42