Finding the Fourth Proportional to 7,857.27, 10,845.33 and 4,672.81

Step by Step Solution

1. Step 1: Write the proportion equation
   7,857.27 : 10,845.33 = 4,672.81 : x
2. Step 2: Convert to fraction form
   7,857.27/10,845.33 = 4,672.81/x
3. Step 3: Cross multiply
   7,857.27x = 10,845.33 × 4,672.81
4. Step 4: Simplify right side
   7,857.27x = 50,678,156.89
5. Step 5: Solve for x
   x = 50,678,156.89/7,857.27
6. Step 6: Final answer
   x = 6,449.84