Finding the Fourth Proportional to 6,624.47, 9,141.93 and 3,640.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,624.47 : 9,141.93 = 3,640.50 : x
2. Step 2: Convert to fraction form
   6,624.47/9,141.93 = 3,640.50/x
3. Step 3: Cross multiply
   6,624.47x = 9,141.93 × 3,640.50
4. Step 4: Simplify right side
   6,624.47x = 33,281,196.17
5. Step 5: Solve for x
   x = 33,281,196.17/6,624.47
6. Step 6: Final answer
   x = 5,023.98