Finding the Fourth Proportional to 3,667.92, 5,516.16 and 3,059.21

Step by Step Solution

1. Step 1: Write the proportion equation
   3,667.92 : 5,516.16 = 3,059.21 : x
2. Step 2: Convert to fraction form
   3,667.92/5,516.16 = 3,059.21/x
3. Step 3: Cross multiply
   3,667.92x = 5,516.16 × 3,059.21
4. Step 4: Simplify right side
   3,667.92x = 16,875,064.25
5. Step 5: Solve for x
   x = 16,875,064.25/3,667.92
6. Step 6: Final answer
   x = 4,600.72