Finding the Fourth Proportional to 6,624.37, 9,141.86 and 3,640.48

Step by Step Solution

1. Step 1: Write the proportion equation
   6,624.37 : 9,141.86 = 3,640.48 : x
2. Step 2: Convert to fraction form
   6,624.37/9,141.86 = 3,640.48/x
3. Step 3: Cross multiply
   6,624.37x = 9,141.86 × 3,640.48
4. Step 4: Simplify right side
   6,624.37x = 33,280,744.74
5. Step 5: Solve for x
   x = 33,280,744.74/6,624.37
6. Step 6: Final answer
   x = 5,023.99