Finding the Fourth Proportional to 1,200.67, 1,799.94 and 575.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,200.67 : 1,799.94 = 575.63 : x
2. Step 2: Convert to fraction form
   1,200.67/1,799.94 = 575.63/x
3. Step 3: Cross multiply
   1,200.67x = 1,799.94 × 575.63
4. Step 4: Simplify right side
   1,200.67x = 1,036,099.37
5. Step 5: Solve for x
   x = 1,036,099.37/1,200.67
6. Step 6: Final answer
   x = 862.93