Finding the Fourth Proportional to 1,404.33, 2,105.88 and 1,079.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.33 : 2,105.88 = 1,079.92 : x
2. Step 2: Convert to fraction form
   1,404.33/2,105.88 = 1,079.92/x
3. Step 3: Cross multiply
   1,404.33x = 2,105.88 × 1,079.92
4. Step 4: Simplify right side
   1,404.33x = 2,274,181.93
5. Step 5: Solve for x
   x = 2,274,181.93/1,404.33
6. Step 6: Final answer
   x = 1,619.41