Finding the Fourth Proportional to 8,858.22, 12,224.69 and 5,081.32

Step by Step Solution

1. Step 1: Write the proportion equation
   8,858.22 : 12,224.69 = 5,081.32 : x
2. Step 2: Convert to fraction form
   8,858.22/12,224.69 = 5,081.32/x
3. Step 3: Cross multiply
   8,858.22x = 12,224.69 × 5,081.32
4. Step 4: Simplify right side
   8,858.22x = 62,117,561.79
5. Step 5: Solve for x
   x = 62,117,561.79/8,858.22
6. Step 6: Final answer
   x = 7,012.42