Finding the Fourth Proportional to 2,223.41, 3,069.73 and 1,427.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,223.41 : 3,069.73 = 1,427.07 : x
2. Step 2: Convert to fraction form
   2,223.41/3,069.73 = 1,427.07/x
3. Step 3: Cross multiply
   2,223.41x = 3,069.73 × 1,427.07
4. Step 4: Simplify right side
   2,223.41x = 4,380,727.27
5. Step 5: Solve for x
   x = 4,380,727.27/2,223.41
6. Step 6: Final answer
   x = 1,970.28