Finding the Fourth Proportional to 1,478.38, 2,209.55 and 1,361.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,478.38 : 2,209.55 = 1,361.62 : x
2. Step 2: Convert to fraction form
   1,478.38/2,209.55 = 1,361.62/x
3. Step 3: Cross multiply
   1,478.38x = 2,209.55 × 1,361.62
4. Step 4: Simplify right side
   1,478.38x = 3,008,567.47
5. Step 5: Solve for x
   x = 3,008,567.47/1,478.38
6. Step 6: Final answer
   x = 2,035.04