Finding the Fourth Proportional to 8,317.55, 12,464.88 and 3,641.47

Step by Step Solution

1. Step 1: Write the proportion equation
   8,317.55 : 12,464.88 = 3,641.47 : x
2. Step 2: Convert to fraction form
   8,317.55/12,464.88 = 3,641.47/x
3. Step 3: Cross multiply
   8,317.55x = 12,464.88 × 3,641.47
4. Step 4: Simplify right side
   8,317.55x = 45,390,532.35
5. Step 5: Solve for x
   x = 45,390,532.35/8,317.55
6. Step 6: Final answer
   x = 5,457.20