Finding the Fourth Proportional to 3,719.52, 5,537.16 and 3,667.68

Step by Step Solution

1. Step 1: Write the proportion equation
   3,719.52 : 5,537.16 = 3,667.68 : x
2. Step 2: Convert to fraction form
   3,719.52/5,537.16 = 3,667.68/x
3. Step 3: Cross multiply
   3,719.52x = 5,537.16 × 3,667.68
4. Step 4: Simplify right side
   3,719.52x = 20,308,530.99
5. Step 5: Solve for x
   x = 20,308,530.99/3,719.52
6. Step 6: Final answer
   x = 5,459.99