Finding the Fourth Proportional to 1,036.82, 1,553.78 and 574.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,036.82 : 1,553.78 = 574.50 : x
2. Step 2: Convert to fraction form
   1,036.82/1,553.78 = 574.50/x
3. Step 3: Cross multiply
   1,036.82x = 1,553.78 × 574.50
4. Step 4: Simplify right side
   1,036.82x = 892,646.61
5. Step 5: Solve for x
   x = 892,646.61/1,036.82
6. Step 6: Final answer
   x = 860.95