Finding the Fourth Proportional to 1,062.72, 1,590.67 and 567.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,062.72 : 1,590.67 = 567.89 : x
2. Step 2: Convert to fraction form
   1,062.72/1,590.67 = 567.89/x
3. Step 3: Cross multiply
   1,062.72x = 1,590.67 × 567.89
4. Step 4: Simplify right side
   1,062.72x = 903,325.59
5. Step 5: Solve for x
   x = 903,325.59/1,062.72
6. Step 6: Final answer
   x = 850.01