Finding the Fourth Proportional to 19,619.10, 27,074.82 and 10,667.08

Step by Step Solution

1. Step 1: Write the proportion equation
   19,619.10 : 27,074.82 = 10,667.08 : x
2. Step 2: Convert to fraction form
   19,619.10/27,074.82 = 10,667.08/x
3. Step 3: Cross multiply
   19,619.10x = 27,074.82 × 10,667.08
4. Step 4: Simplify right side
   19,619.10x = 288,809,270.93
5. Step 5: Solve for x
   x = 288,809,270.93/19,619.10
6. Step 6: Final answer
   x = 14,720.82