Finding the Fourth Proportional to 1,040.83, 1,436.35 and 568.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,040.83 : 1,436.35 = 568.73 : x
2. Step 2: Convert to fraction form
   1,040.83/1,436.35 = 568.73/x
3. Step 3: Cross multiply
   1,040.83x = 1,436.35 × 568.73
4. Step 4: Simplify right side
   1,040.83x = 816,897.50
5. Step 5: Solve for x
   x = 816,897.50/1,040.83
6. Step 6: Final answer
   x = 784.85