Finding the Fourth Proportional to 1,256.47, 1,883.33 and 1,073.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,256.47 : 1,883.33 = 1,073.31 : x
2. Step 2: Convert to fraction form
   1,256.47/1,883.33 = 1,073.31/x
3. Step 3: Cross multiply
   1,256.47x = 1,883.33 × 1,073.31
4. Step 4: Simplify right side
   1,256.47x = 2,021,396.92
5. Step 5: Solve for x
   x = 2,021,396.92/1,256.47
6. Step 6: Final answer
   x = 1,608.79