Finding the Fourth Proportional to 2,667.96, 3,682.22 and 1,620.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,667.96 : 3,682.22 = 1,620.63 : x
2. Step 2: Convert to fraction form
   2,667.96/3,682.22 = 1,620.63/x
3. Step 3: Cross multiply
   2,667.96x = 3,682.22 × 1,620.63
4. Step 4: Simplify right side
   2,667.96x = 5,967,508.10
5. Step 5: Solve for x
   x = 5,967,508.10/2,667.96
6. Step 6: Final answer
   x = 2,236.73