Finding the Fourth Proportional to 2,288.38, 3,432.49 and 971.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,288.38 : 3,432.49 = 971.29 : x
2. Step 2: Convert to fraction form
   2,288.38/3,432.49 = 971.29/x
3. Step 3: Cross multiply
   2,288.38x = 3,432.49 × 971.29
4. Step 4: Simplify right side
   2,288.38x = 3,333,926.05
5. Step 5: Solve for x
   x = 3,333,926.05/2,288.38
6. Step 6: Final answer
   x = 1,456.89