Finding the Fourth Proportional to 6,456.38, 8,910.88 and 3,663.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,456.38 : 8,910.88 = 3,663.50 : x
2. Step 2: Convert to fraction form
   6,456.38/8,910.88 = 3,663.50/x
3. Step 3: Cross multiply
   6,456.38x = 8,910.88 × 3,663.50
4. Step 4: Simplify right side
   6,456.38x = 32,644,955.17
5. Step 5: Solve for x
   x = 32,644,955.17/6,456.38
6. Step 6: Final answer
   x = 5,056.24