Finding the Fourth Proportional to 2,443.02, 3,683.67 and 2,238.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.02 : 3,683.67 = 2,238.90 : x
2. Step 2: Convert to fraction form
   2,443.02/3,683.67 = 2,238.90/x
3. Step 3: Cross multiply
   2,443.02x = 3,683.67 × 2,238.90
4. Step 4: Simplify right side
   2,443.02x = 8,247,368.76
5. Step 5: Solve for x
   x = 8,247,368.76/2,443.02
6. Step 6: Final answer
   x = 3,375.89