Finding the Fourth Proportional to 8,857.51, 12,223.37 and 4,878.63

Step by Step Solution

1. Step 1: Write the proportion equation
   8,857.51 : 12,223.37 = 4,878.63 : x
2. Step 2: Convert to fraction form
   8,857.51/12,223.37 = 4,878.63/x
3. Step 3: Cross multiply
   8,857.51x = 12,223.37 × 4,878.63
4. Step 4: Simplify right side
   8,857.51x = 59,633,311.78
5. Step 5: Solve for x
   x = 59,633,311.78/8,857.51
6. Step 6: Final answer
   x = 6,732.52