Finding the Fourth Proportional to 19,619.56, 27,075.12 and 10,667.14

Step by Step Solution

1. Step 1: Write the proportion equation
   19,619.56 : 27,075.12 = 10,667.14 : x
2. Step 2: Convert to fraction form
   19,619.56/27,075.12 = 10,667.14/x
3. Step 3: Cross multiply
   19,619.56x = 27,075.12 × 10,667.14
4. Step 4: Simplify right side
   19,619.56x = 288,814,095.56
5. Step 5: Solve for x
   x = 288,814,095.56/19,619.56
6. Step 6: Final answer
   x = 14,720.72