Finding the Fourth Proportional to 1,404.54, 2,097.09 and 1,317.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.54 : 2,097.09 = 1,317.06 : x
2. Step 2: Convert to fraction form
   1,404.54/2,097.09 = 1,317.06/x
3. Step 3: Cross multiply
   1,404.54x = 2,097.09 × 1,317.06
4. Step 4: Simplify right side
   1,404.54x = 2,761,993.36
5. Step 5: Solve for x
   x = 2,761,993.36/1,404.54
6. Step 6: Final answer
   x = 1,966.48