Finding the Fourth Proportional to 1,469.02, 2,189.22 and 1,424.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,469.02 : 2,189.22 = 1,424.52 : x
2. Step 2: Convert to fraction form
   1,469.02/2,189.22 = 1,424.52/x
3. Step 3: Cross multiply
   1,469.02x = 2,189.22 × 1,424.52
4. Step 4: Simplify right side
   1,469.02x = 3,118,587.67
5. Step 5: Solve for x
   x = 3,118,587.67/1,469.02
6. Step 6: Final answer
   x = 2,122.91