Finding the Fourth Proportional to 8,600.58, 12,895.56 and 3,667.38

Step by Step Solution

1. Step 1: Write the proportion equation
   8,600.58 : 12,895.56 = 3,667.38 : x
2. Step 2: Convert to fraction form
   8,600.58/12,895.56 = 3,667.38/x
3. Step 3: Cross multiply
   8,600.58x = 12,895.56 × 3,667.38
4. Step 4: Simplify right side
   8,600.58x = 47,292,918.83
5. Step 5: Solve for x
   x = 47,292,918.83/8,600.58
6. Step 6: Final answer
   x = 5,498.81