Finding the Fourth Proportional to 19,698.43, 27,182.72 and 11,199.37

Step by Step Solution

1. Step 1: Write the proportion equation
   19,698.43 : 27,182.72 = 11,199.37 : x
2. Step 2: Convert to fraction form
   19,698.43/27,182.72 = 11,199.37/x
3. Step 3: Cross multiply
   19,698.43x = 27,182.72 × 11,199.37
4. Step 4: Simplify right side
   19,698.43x = 304,429,338.89
5. Step 5: Solve for x
   x = 304,429,338.89/19,698.43
6. Step 6: Final answer
   x = 15,454.50