Finding the Fourth Proportional to 8,123.56, 12,184.42 and 2,280.03

Step by Step Solution

1. Step 1: Write the proportion equation
   8,123.56 : 12,184.42 = 2,280.03 : x
2. Step 2: Convert to fraction form
   8,123.56/12,184.42 = 2,280.03/x
3. Step 3: Cross multiply
   8,123.56x = 12,184.42 × 2,280.03
4. Step 4: Simplify right side
   8,123.56x = 27,780,843.13
5. Step 5: Solve for x
   x = 27,780,843.13/8,123.56
6. Step 6: Final answer
   x = 3,419.79