Finding the Fourth Proportional to 1,404.47, 2,107.47 and 583.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.47 : 2,107.47 = 583.31 : x
2. Step 2: Convert to fraction form
   1,404.47/2,107.47 = 583.31/x
3. Step 3: Cross multiply
   1,404.47x = 2,107.47 × 583.31
4. Step 4: Simplify right side
   1,404.47x = 1,229,308.33
5. Step 5: Solve for x
   x = 1,229,308.33/1,404.47
6. Step 6: Final answer
   x = 875.28