Finding the Fourth Proportional to 1,388.75, 2,083.49 and 567.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,388.75 : 2,083.49 = 567.59 : x
2. Step 2: Convert to fraction form
   1,388.75/2,083.49 = 567.59/x
3. Step 3: Cross multiply
   1,388.75x = 2,083.49 × 567.59
4. Step 4: Simplify right side
   1,388.75x = 1,182,554.83
5. Step 5: Solve for x
   x = 1,182,554.83/1,388.75
6. Step 6: Final answer
   x = 851.53