Finding the Fourth Proportional to 8,727.67, 12,043.83 and 4,748.78

Step by Step Solution

1. Step 1: Write the proportion equation
   8,727.67 : 12,043.83 = 4,748.78 : x
2. Step 2: Convert to fraction form
   8,727.67/12,043.83 = 4,748.78/x
3. Step 3: Cross multiply
   8,727.67x = 12,043.83 × 4,748.78
4. Step 4: Simplify right side
   8,727.67x = 57,193,499.03
5. Step 5: Solve for x
   x = 57,193,499.03/8,727.67
6. Step 6: Final answer
   x = 6,553.12