Finding the Fourth Proportional to 8,853.15, 12,217.55 and 4,874.34

Step by Step Solution

1. Step 1: Write the proportion equation
   8,853.15 : 12,217.55 = 4,874.34 : x
2. Step 2: Convert to fraction form
   8,853.15/12,217.55 = 4,874.34/x
3. Step 3: Cross multiply
   8,853.15x = 12,217.55 × 4,874.34
4. Step 4: Simplify right side
   8,853.15x = 59,552,468.30
5. Step 5: Solve for x
   x = 59,552,468.30/8,853.15
6. Step 6: Final answer
   x = 6,726.70