Finding the Fourth Proportional to 19,667.84, 27,110.88 and 13,369.28

Step by Step Solution

1. Step 1: Write the proportion equation
   19,667.84 : 27,110.88 = 13,369.28 : x
2. Step 2: Convert to fraction form
   19,667.84/27,110.88 = 13,369.28/x
3. Step 3: Cross multiply
   19,667.84x = 27,110.88 × 13,369.28
4. Step 4: Simplify right side
   19,667.84x = 362,452,945.77
5. Step 5: Solve for x
   x = 362,452,945.77/19,667.84
6. Step 6: Final answer
   x = 18,428.71