Finding the Fourth Proportional to 12,901.19, 19,355.02 and 3,667.19

Step by Step Solution

1. Step 1: Write the proportion equation
   12,901.19 : 19,355.02 = 3,667.19 : x
2. Step 2: Convert to fraction form
   12,901.19/19,355.02 = 3,667.19/x
3. Step 3: Cross multiply
   12,901.19x = 19,355.02 × 3,667.19
4. Step 4: Simplify right side
   12,901.19x = 70,978,496.57
5. Step 5: Solve for x
   x = 70,978,496.57/12,901.19
6. Step 6: Final answer
   x = 5,501.70