Finding the Fourth Proportional to 3,983.34, 5,969.55 and 2,031.45

Step by Step Solution

1. Step 1: Write the proportion equation
   3,983.34 : 5,969.55 = 2,031.45 : x
2. Step 2: Convert to fraction form
   3,983.34/5,969.55 = 2,031.45/x
3. Step 3: Cross multiply
   3,983.34x = 5,969.55 × 2,031.45
4. Step 4: Simplify right side
   3,983.34x = 12,126,842.35
5. Step 5: Solve for x
   x = 12,126,842.35/3,983.34
6. Step 6: Final answer
   x = 3,044.39