Finding the Fourth Proportional to 3,559.48, 4,912.24 and 2,123.16

Step by Step Solution

1. Step 1: Write the proportion equation
   3,559.48 : 4,912.24 = 2,123.16 : x
2. Step 2: Convert to fraction form
   3,559.48/4,912.24 = 2,123.16/x
3. Step 3: Cross multiply
   3,559.48x = 4,912.24 × 2,123.16
4. Step 4: Simplify right side
   3,559.48x = 10,429,471.48
5. Step 5: Solve for x
   x = 10,429,471.48/3,559.48
6. Step 6: Final answer
   x = 2,930.05