Finding the Fourth Proportional to 2,359.25, 3,536.84 and 971.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,359.25 : 3,536.84 = 971.72 : x
2. Step 2: Convert to fraction form
   2,359.25/3,536.84 = 971.72/x
3. Step 3: Cross multiply
   2,359.25x = 3,536.84 × 971.72
4. Step 4: Simplify right side
   2,359.25x = 3,436,829.44
5. Step 5: Solve for x
   x = 3,436,829.44/2,359.25
6. Step 6: Final answer
   x = 1,456.75