Finding the Fourth Proportional to 19,618.98, 27,074.74 and 10,667.10

Step by Step Solution

1. Step 1: Write the proportion equation
   19,618.98 : 27,074.74 = 10,667.10 : x
2. Step 2: Convert to fraction form
   19,618.98/27,074.74 = 10,667.10/x
3. Step 3: Cross multiply
   19,618.98x = 27,074.74 × 10,667.10
4. Step 4: Simplify right side
   19,618.98x = 288,808,959.05
5. Step 5: Solve for x
   x = 288,808,959.05/19,618.98
6. Step 6: Final answer
   x = 14,720.90