Finding the Fourth Proportional to 8,913.56, 12,300.25 and 4,879.62

Step by Step Solution

1. Step 1: Write the proportion equation
   8,913.56 : 12,300.25 = 4,879.62 : x
2. Step 2: Convert to fraction form
   8,913.56/12,300.25 = 4,879.62/x
3. Step 3: Cross multiply
   8,913.56x = 12,300.25 × 4,879.62
4. Step 4: Simplify right side
   8,913.56x = 60,020,466.90
5. Step 5: Solve for x
   x = 60,020,466.90/8,913.56
6. Step 6: Final answer
   x = 6,733.61