Finding the Fourth Proportional to 2,359.38, 3,535.92 and 971.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,359.38 : 3,535.92 = 971.88 : x
2. Step 2: Convert to fraction form
   2,359.38/3,535.92 = 971.88/x
3. Step 3: Cross multiply
   2,359.38x = 3,535.92 × 971.88
4. Step 4: Simplify right side
   2,359.38x = 3,436,489.93
5. Step 5: Solve for x
   x = 3,436,489.93/2,359.38
6. Step 6: Final answer
   x = 1,456.52