Finding the Fourth Proportional to 2,667.30, 3,996.63 and 1,626.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,667.30 : 3,996.63 = 1,626.18 : x
2. Step 2: Convert to fraction form
   2,667.30/3,996.63 = 1,626.18/x
3. Step 3: Cross multiply
   2,667.30x = 3,996.63 × 1,626.18
4. Step 4: Simplify right side
   2,667.30x = 6,499,239.77
5. Step 5: Solve for x
   x = 6,499,239.77/2,667.30
6. Step 6: Final answer
   x = 2,436.64