Finding the Fourth Proportional to 8,855.71, 12,220.89 and 4,876.82

Step by Step Solution

1. Step 1: Write the proportion equation
   8,855.71 : 12,220.89 = 4,876.82 : x
2. Step 2: Convert to fraction form
   8,855.71/12,220.89 = 4,876.82/x
3. Step 3: Cross multiply
   8,855.71x = 12,220.89 × 4,876.82
4. Step 4: Simplify right side
   8,855.71x = 59,599,111.32
5. Step 5: Solve for x
   x = 59,599,111.32/8,855.71
6. Step 6: Final answer
   x = 6,730.02