Finding the Fourth Proportional to 2,288.42, 3,433.86 and 971.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,288.42 : 3,433.86 = 971.96 : x
2. Step 2: Convert to fraction form
   2,288.42/3,433.86 = 971.96/x
3. Step 3: Cross multiply
   2,288.42x = 3,433.86 × 971.96
4. Step 4: Simplify right side
   2,288.42x = 3,337,574.57
5. Step 5: Solve for x
   x = 3,337,574.57/2,288.42
6. Step 6: Final answer
   x = 1,458.46