Finding the Fourth Proportional to 1,233.39, 1,848.79 and 574.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,233.39 : 1,848.79 = 574.72 : x
2. Step 2: Convert to fraction form
   1,233.39/1,848.79 = 574.72/x
3. Step 3: Cross multiply
   1,233.39x = 1,848.79 × 574.72
4. Step 4: Simplify right side
   1,233.39x = 1,062,540.41
5. Step 5: Solve for x
   x = 1,062,540.41/1,233.39
6. Step 6: Final answer
   x = 861.48