Finding the Fourth Proportional to 8,123.02, 12,184.62 and 2,928.94

Step by Step Solution

1. Step 1: Write the proportion equation
   8,123.02 : 12,184.62 = 2,928.94 : x
2. Step 2: Convert to fraction form
   8,123.02/12,184.62 = 2,928.94/x
3. Step 3: Cross multiply
   8,123.02x = 12,184.62 × 2,928.94
4. Step 4: Simplify right side
   8,123.02x = 35,688,020.90
5. Step 5: Solve for x
   x = 35,688,020.90/8,123.02
6. Step 6: Final answer
   x = 4,393.44