Finding the Fourth Proportional to 3,627.27, 5,416.25 and 3,421.94

Step by Step Solution

1. Step 1: Write the proportion equation
   3,627.27 : 5,416.25 = 3,421.94 : x
2. Step 2: Convert to fraction form
   3,627.27/5,416.25 = 3,421.94/x
3. Step 3: Cross multiply
   3,627.27x = 5,416.25 × 3,421.94
4. Step 4: Simplify right side
   3,627.27x = 18,534,065.42
5. Step 5: Solve for x
   x = 18,534,065.42/3,627.27
6. Step 6: Final answer
   x = 5,109.65