Finding the Fourth Proportional to 3,567.98, 5,351.37 and 970.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,567.98 : 5,351.37 = 970.31 : x
2. Step 2: Convert to fraction form
   3,567.98/5,351.37 = 970.31/x
3. Step 3: Cross multiply
   3,567.98x = 5,351.37 × 970.31
4. Step 4: Simplify right side
   3,567.98x = 5,192,497.56
5. Step 5: Solve for x
   x = 5,192,497.56/3,567.98
6. Step 6: Final answer
   x = 1,455.30