Finding the Fourth Proportional to 12,967.05, 19,448.64 and 3,606.09

Step by Step Solution

1. Step 1: Write the proportion equation
   12,967.05 : 19,448.64 = 3,606.09 : x
2. Step 2: Convert to fraction form
   12,967.05/19,448.64 = 3,606.09/x
3. Step 3: Cross multiply
   12,967.05x = 19,448.64 × 3,606.09
4. Step 4: Simplify right side
   12,967.05x = 70,133,473.29
5. Step 5: Solve for x
   x = 70,133,473.29/12,967.05
6. Step 6: Final answer
   x = 5,408.59