Finding the Fourth Proportional to 1,404.57, 2,105.49 and 583.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.57 : 2,105.49 = 583.32 : x
2. Step 2: Convert to fraction form
   1,404.57/2,105.49 = 583.32/x
3. Step 3: Cross multiply
   1,404.57x = 2,105.49 × 583.32
4. Step 4: Simplify right side
   1,404.57x = 1,228,174.43
5. Step 5: Solve for x
   x = 1,228,174.43/1,404.57
6. Step 6: Final answer
   x = 874.41