Finding the Fourth Proportional to 3,359.27, 5,031.62 and 2,123.62

Step by Step Solution

1. Step 1: Write the proportion equation
   3,359.27 : 5,031.62 = 2,123.62 : x
2. Step 2: Convert to fraction form
   3,359.27/5,031.62 = 2,123.62/x
3. Step 3: Cross multiply
   3,359.27x = 5,031.62 × 2,123.62
4. Step 4: Simplify right side
   3,359.27x = 10,685,233.63
5. Step 5: Solve for x
   x = 10,685,233.63/3,359.27
6. Step 6: Final answer
   x = 3,180.82