Finding the Fourth Proportional to 8,123.40, 12,180.24 and 3,744.54

Step by Step Solution

1. Step 1: Write the proportion equation
   8,123.40 : 12,180.24 = 3,744.54 : x
2. Step 2: Convert to fraction form
   8,123.40/12,180.24 = 3,744.54/x
3. Step 3: Cross multiply
   8,123.40x = 12,180.24 × 3,744.54
4. Step 4: Simplify right side
   8,123.40x = 45,609,395.89
5. Step 5: Solve for x
   x = 45,609,395.89/8,123.40
6. Step 6: Final answer
   x = 5,614.57