Finding the Fourth Proportional to 1,404.14, 2,105.42 and 581.97

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.14 : 2,105.42 = 581.97 : x
2. Step 2: Convert to fraction form
   1,404.14/2,105.42 = 581.97/x
3. Step 3: Cross multiply
   1,404.14x = 2,105.42 × 581.97
4. Step 4: Simplify right side
   1,404.14x = 1,225,288.37
5. Step 5: Solve for x
   x = 1,225,288.37/1,404.14
6. Step 6: Final answer
   x = 872.63