Finding the Fourth Proportional to 1,469.89, 2,028.18 and 972.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,469.89 : 2,028.18 = 972.27 : x
2. Step 2: Convert to fraction form
   1,469.89/2,028.18 = 972.27/x
3. Step 3: Cross multiply
   1,469.89x = 2,028.18 × 972.27
4. Step 4: Simplify right side
   1,469.89x = 1,971,942.21
5. Step 5: Solve for x
   x = 1,971,942.21/1,469.89
6. Step 6: Final answer
   x = 1,341.56