Finding the Fourth Proportional to 1,404.06, 2,102.01 and 817.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.06 : 2,102.01 = 817.27 : x
2. Step 2: Convert to fraction form
   1,404.06/2,102.01 = 817.27/x
3. Step 3: Cross multiply
   1,404.06x = 2,102.01 × 817.27
4. Step 4: Simplify right side
   1,404.06x = 1,717,902.41
5. Step 5: Solve for x
   x = 1,717,902.41/1,404.06
6. Step 6: Final answer
   x = 1,223.53