Finding the Fourth Proportional to 2,359.79, 3,537.05 and 971.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,359.79 : 3,537.05 = 971.45 : x
2. Step 2: Convert to fraction form
   2,359.79/3,537.05 = 971.45/x
3. Step 3: Cross multiply
   2,359.79x = 3,537.05 × 971.45
4. Step 4: Simplify right side
   2,359.79x = 3,436,067.22
5. Step 5: Solve for x
   x = 3,436,067.22/2,359.79
6. Step 6: Final answer
   x = 1,456.09