Finding the Fourth Proportional to 8,755.68, 12,082.70 and 4,776.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,755.68 : 12,082.70 = 4,776.72 : x
2. Step 2: Convert to fraction form
   8,755.68/12,082.70 = 4,776.72/x
3. Step 3: Cross multiply
   8,755.68x = 12,082.70 × 4,776.72
4. Step 4: Simplify right side
   8,755.68x = 57,715,674.74
5. Step 5: Solve for x
   x = 57,715,674.74/8,755.68
6. Step 6: Final answer
   x = 6,591.80