Finding the Fourth Proportional to 2,431.49, 3,647.52 and 970.65

Step by Step Solution

1. Step 1: Write the proportion equation
   2,431.49 : 3,647.52 = 970.65 : x
2. Step 2: Convert to fraction form
   2,431.49/3,647.52 = 970.65/x
3. Step 3: Cross multiply
   2,431.49x = 3,647.52 × 970.65
4. Step 4: Simplify right side
   2,431.49x = 3,540,465.29
5. Step 5: Solve for x
   x = 3,540,465.29/2,431.49
6. Step 6: Final answer
   x = 1,456.09