Finding the Fourth Proportional to 6,472.89, 8,932.56 and 3,678.39

Step by Step Solution

1. Step 1: Write the proportion equation
   6,472.89 : 8,932.56 = 3,678.39 : x
2. Step 2: Convert to fraction form
   6,472.89/8,932.56 = 3,678.39/x
3. Step 3: Cross multiply
   6,472.89x = 8,932.56 × 3,678.39
4. Step 4: Simplify right side
   6,472.89x = 32,857,439.38
5. Step 5: Solve for x
   x = 32,857,439.38/6,472.89
6. Step 6: Final answer
   x = 5,076.16