Finding the Fourth Proportional to 3,767.75, 5,654.37 and 3,636.53

Step by Step Solution

1. Step 1: Write the proportion equation
   3,767.75 : 5,654.37 = 3,636.53 : x
2. Step 2: Convert to fraction form
   3,767.75/5,654.37 = 3,636.53/x
3. Step 3: Cross multiply
   3,767.75x = 5,654.37 × 3,636.53
4. Step 4: Simplify right side
   3,767.75x = 20,562,292.71
5. Step 5: Solve for x
   x = 20,562,292.71/3,767.75
6. Step 6: Final answer
   x = 5,457.45