Finding the Fourth Proportional to 2,956.10, 4,432.71 and 1,967.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,956.10 : 4,432.71 = 1,967.30 : x
2. Step 2: Convert to fraction form
   2,956.10/4,432.71 = 1,967.30/x
3. Step 3: Cross multiply
   2,956.10x = 4,432.71 × 1,967.30
4. Step 4: Simplify right side
   2,956.10x = 8,720,470.38
5. Step 5: Solve for x
   x = 8,720,470.38/2,956.10
6. Step 6: Final answer
   x = 2,949.99