Finding the Fourth Proportional to 19,267.69, 28,898.18 and 6,784.78

Step by Step Solution

1. Step 1: Write the proportion equation
   19,267.69 : 28,898.18 = 6,784.78 : x
2. Step 2: Convert to fraction form
   19,267.69/28,898.18 = 6,784.78/x
3. Step 3: Cross multiply
   19,267.69x = 28,898.18 × 6,784.78
4. Step 4: Simplify right side
   19,267.69x = 196,067,738.42
5. Step 5: Solve for x
   x = 196,067,738.42/19,267.69
6. Step 6: Final answer
   x = 10,175.99