Finding the Fourth Proportional to 8,772.56, 12,105.30 and 4,793.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,772.56 : 12,105.30 = 4,793.42 : x
2. Step 2: Convert to fraction form
   8,772.56/12,105.30 = 4,793.42/x
3. Step 3: Cross multiply
   8,772.56x = 12,105.30 × 4,793.42
4. Step 4: Simplify right side
   8,772.56x = 58,025,787.13
5. Step 5: Solve for x
   x = 58,025,787.13/8,772.56
6. Step 6: Final answer
   x = 6,614.46