Finding the Fourth Proportional to 1,469.77, 2,190.34 and 1,425.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,469.77 : 2,190.34 = 1,425.27 : x
2. Step 2: Convert to fraction form
   1,469.77/2,190.34 = 1,425.27/x
3. Step 3: Cross multiply
   1,469.77x = 2,190.34 × 1,425.27
4. Step 4: Simplify right side
   1,469.77x = 3,121,822.33
5. Step 5: Solve for x
   x = 3,121,822.33/1,469.77
6. Step 6: Final answer
   x = 2,124.02