Finding the Fourth Proportional to 2,667.24, 3,681.45 and 1,620.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,667.24 : 3,681.45 = 1,620.18 : x
2. Step 2: Convert to fraction form
   2,667.24/3,681.45 = 1,620.18/x
3. Step 3: Cross multiply
   2,667.24x = 3,681.45 × 1,620.18
4. Step 4: Simplify right side
   2,667.24x = 5,964,611.66
5. Step 5: Solve for x
   x = 5,964,611.66/2,667.24
6. Step 6: Final answer
   x = 2,236.25