Finding the Fourth Proportional to 1,469.33, 2,027.78 and 971.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,469.33 : 2,027.78 = 971.10 : x
2. Step 2: Convert to fraction form
   1,469.33/2,027.78 = 971.10/x
3. Step 3: Cross multiply
   1,469.33x = 2,027.78 × 971.10
4. Step 4: Simplify right side
   1,469.33x = 1,969,172.30
5. Step 5: Solve for x
   x = 1,969,172.30/1,469.33
6. Step 6: Final answer
   x = 1,340.19