Finding the Fourth Proportional to 19,067.32, 28,607.82 and 8,536.48

Step by Step Solution

1. Step 1: Write the proportion equation
   19,067.32 : 28,607.82 = 8,536.48 : x
2. Step 2: Convert to fraction form
   19,067.32/28,607.82 = 8,536.48/x
3. Step 3: Cross multiply
   19,067.32x = 28,607.82 × 8,536.48
4. Step 4: Simplify right side
   19,067.32x = 244,210,083.27
5. Step 5: Solve for x
   x = 244,210,083.27/19,067.32
6. Step 6: Final answer
   x = 12,807.78