Finding the Fourth Proportional to 3,359.47, 5,038.94 and 2,123.28

Step by Step Solution

1. Step 1: Write the proportion equation
   3,359.47 : 5,038.94 = 2,123.28 : x
2. Step 2: Convert to fraction form
   3,359.47/5,038.94 = 2,123.28/x
3. Step 3: Cross multiply
   3,359.47x = 5,038.94 × 2,123.28
4. Step 4: Simplify right side
   3,359.47x = 10,699,044.71
5. Step 5: Solve for x
   x = 10,699,044.71/3,359.47
6. Step 6: Final answer
   x = 3,184.74