Finding the Fourth Proportional to 8,755.05, 12,081.46 and 4,977.67

Step by Step Solution

1. Step 1: Write the proportion equation
   8,755.05 : 12,081.46 = 4,977.67 : x
2. Step 2: Convert to fraction form
   8,755.05/12,081.46 = 4,977.67/x
3. Step 3: Cross multiply
   8,755.05x = 12,081.46 × 4,977.67
4. Step 4: Simplify right side
   8,755.05x = 60,137,521.00
5. Step 5: Solve for x
   x = 60,137,521.00/8,755.05
6. Step 6: Final answer
   x = 6,868.90