Finding the Fourth Proportional to 1,266.73, 1,899.52 and 573.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,266.73 : 1,899.52 = 573.37 : x
2. Step 2: Convert to fraction form
   1,266.73/1,899.52 = 573.37/x
3. Step 3: Cross multiply
   1,266.73x = 1,899.52 × 573.37
4. Step 4: Simplify right side
   1,266.73x = 1,089,127.78
5. Step 5: Solve for x
   x = 1,089,127.78/1,266.73
6. Step 6: Final answer
   x = 859.79