Finding the Fourth Proportional to 2,123.40, 2,930.30 and 1,844.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,123.40 : 2,930.30 = 1,844.54 : x
2. Step 2: Convert to fraction form
   2,123.40/2,930.30 = 1,844.54/x
3. Step 3: Cross multiply
   2,123.40x = 2,930.30 × 1,844.54
4. Step 4: Simplify right side
   2,123.40x = 5,405,055.56
5. Step 5: Solve for x
   x = 5,405,055.56/2,123.40
6. Step 6: Final answer
   x = 2,545.47