Finding the Fourth Proportional to 3,959.98, 5,950.76 and 2,112.43

Step by Step Solution

1. Step 1: Write the proportion equation
   3,959.98 : 5,950.76 = 2,112.43 : x
2. Step 2: Convert to fraction form
   3,959.98/5,950.76 = 2,112.43/x
3. Step 3: Cross multiply
   3,959.98x = 5,950.76 × 2,112.43
4. Step 4: Simplify right side
   3,959.98x = 12,570,553.38
5. Step 5: Solve for x
   x = 12,570,553.38/3,959.98
6. Step 6: Final answer
   x = 3,174.40