Finding the Fourth Proportional to 1,863.37, 2,570.79 and 1,304.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,863.37 : 2,570.79 = 1,304.47 : x
2. Step 2: Convert to fraction form
   1,863.37/2,570.79 = 1,304.47/x
3. Step 3: Cross multiply
   1,863.37x = 2,570.79 × 1,304.47
4. Step 4: Simplify right side
   1,863.37x = 3,353,518.43
5. Step 5: Solve for x
   x = 3,353,518.43/1,863.37
6. Step 6: Final answer
   x = 1,799.71