Finding the Fourth Proportional to 8,858.69, 12,224.53 and 4,879.71

Step by Step Solution

1. Step 1: Write the proportion equation
   8,858.69 : 12,224.53 = 4,879.71 : x
2. Step 2: Convert to fraction form
   8,858.69/12,224.53 = 4,879.71/x
3. Step 3: Cross multiply
   8,858.69x = 12,224.53 × 4,879.71
4. Step 4: Simplify right side
   8,858.69x = 59,652,136.89
5. Step 5: Solve for x
   x = 59,652,136.89/8,858.69
6. Step 6: Final answer
   x = 6,733.75