Finding the Fourth Proportional to 1,469.84, 2,028.25 and 840.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,469.84 : 2,028.25 = 840.27 : x
2. Step 2: Convert to fraction form
   1,469.84/2,028.25 = 840.27/x
3. Step 3: Cross multiply
   1,469.84x = 2,028.25 × 840.27
4. Step 4: Simplify right side
   1,469.84x = 1,704,273.43
5. Step 5: Solve for x
   x = 1,704,273.43/1,469.84
6. Step 6: Final answer
   x = 1,159.50