Finding the Fourth Proportional to 1,469.27, 2,189.59 and 1,424.77

Step by Step Solution

1. Step 1: Write the proportion equation
   1,469.27 : 2,189.59 = 1,424.77 : x
2. Step 2: Convert to fraction form
   1,469.27/2,189.59 = 1,424.77/x
3. Step 3: Cross multiply
   1,469.27x = 2,189.59 × 1,424.77
4. Step 4: Simplify right side
   1,469.27x = 3,119,662.14
5. Step 5: Solve for x
   x = 3,119,662.14/1,469.27
6. Step 6: Final answer
   x = 2,123.27