Finding the Fourth Proportional to 5,404.18, 8,102.33 and 3,644.81

Step by Step Solution

1. Step 1: Write the proportion equation
   5,404.18 : 8,102.33 = 3,644.81 : x
2. Step 2: Convert to fraction form
   5,404.18/8,102.33 = 3,644.81/x
3. Step 3: Cross multiply
   5,404.18x = 8,102.33 × 3,644.81
4. Step 4: Simplify right side
   5,404.18x = 29,531,453.41
5. Step 5: Solve for x
   x = 29,531,453.41/5,404.18
6. Step 6: Final answer
   x = 5,464.56