Finding the Fourth Proportional to 3,142.98, 4,337.33 and 1,964.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,142.98 : 4,337.33 = 1,964.72 : x
2. Step 2: Convert to fraction form
   3,142.98/4,337.33 = 1,964.72/x
3. Step 3: Cross multiply
   3,142.98x = 4,337.33 × 1,964.72
4. Step 4: Simplify right side
   3,142.98x = 8,521,640.02
5. Step 5: Solve for x
   x = 8,521,640.02/3,142.98
6. Step 6: Final answer
   x = 2,711.32