Finding the Fourth Proportional to 3,669.72, 5,501.25 and 1,329.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,669.72 : 5,501.25 = 1,329.18 : x
2. Step 2: Convert to fraction form
   3,669.72/5,501.25 = 1,329.18/x
3. Step 3: Cross multiply
   3,669.72x = 5,501.25 × 1,329.18
4. Step 4: Simplify right side
   3,669.72x = 7,312,151.48
5. Step 5: Solve for x
   x = 7,312,151.48/3,669.72
6. Step 6: Final answer
   x = 1,992.56