Finding the Fourth Proportional to 8,885.22, 12,261.72 and 5,108.46

Step by Step Solution

1. Step 1: Write the proportion equation
   8,885.22 : 12,261.72 = 5,108.46 : x
2. Step 2: Convert to fraction form
   8,885.22/12,261.72 = 5,108.46/x
3. Step 3: Cross multiply
   8,885.22x = 12,261.72 × 5,108.46
4. Step 4: Simplify right side
   8,885.22x = 62,638,506.15
5. Step 5: Solve for x
   x = 62,638,506.15/8,885.22
6. Step 6: Final answer
   x = 7,049.74