Finding the Fourth Proportional to 8,123.94, 12,185.94 and 2,280.60

Step by Step Solution

1. Step 1: Write the proportion equation
   8,123.94 : 12,185.94 = 2,280.60 : x
2. Step 2: Convert to fraction form
   8,123.94/12,185.94 = 2,280.60/x
3. Step 3: Cross multiply
   8,123.94x = 12,185.94 × 2,280.60
4. Step 4: Simplify right side
   8,123.94x = 27,791,254.76
5. Step 5: Solve for x
   x = 27,791,254.76/8,123.94
6. Step 6: Final answer
   x = 3,420.91