Finding the Fourth Proportional to 6,456.40, 8,910.50 and 3,624.20

Step by Step Solution

1. Step 1: Write the proportion equation
   6,456.40 : 8,910.50 = 3,624.20 : x
2. Step 2: Convert to fraction form
   6,456.40/8,910.50 = 3,624.20/x
3. Step 3: Cross multiply
   6,456.40x = 8,910.50 × 3,624.20
4. Step 4: Simplify right side
   6,456.40x = 32,293,434.10
5. Step 5: Solve for x
   x = 32,293,434.10/6,456.40
6. Step 6: Final answer
   x = 5,001.77