Finding the Fourth Proportional to 3,662.01, 5,457.78 and 3,603.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,662.01 : 5,457.78 = 3,603.69 : x
2. Step 2: Convert to fraction form
   3,662.01/5,457.78 = 3,603.69/x
3. Step 3: Cross multiply
   3,662.01x = 5,457.78 × 3,603.69
4. Step 4: Simplify right side
   3,662.01x = 19,668,147.21
5. Step 5: Solve for x
   x = 19,668,147.21/3,662.01
6. Step 6: Final answer
   x = 5,370.86