Finding the Fourth Proportional to 9,210.69, 13,821.50 and 3,662.54

Step by Step Solution

1. Step 1: Write the proportion equation
   9,210.69 : 13,821.50 = 3,662.54 : x
2. Step 2: Convert to fraction form
   9,210.69/13,821.50 = 3,662.54/x
3. Step 3: Cross multiply
   9,210.69x = 13,821.50 × 3,662.54
4. Step 4: Simplify right side
   9,210.69x = 50,621,796.61
5. Step 5: Solve for x
   x = 50,621,796.61/9,210.69
6. Step 6: Final answer
   x = 5,495.98