Finding the Fourth Proportional to 19,116.54, 28,674.21 and 5,265.42

Step by Step Solution

1. Step 1: Write the proportion equation
   19,116.54 : 28,674.21 = 5,265.42 : x
2. Step 2: Convert to fraction form
   19,116.54/28,674.21 = 5,265.42/x
3. Step 3: Cross multiply
   19,116.54x = 28,674.21 × 5,265.42
4. Step 4: Simplify right side
   19,116.54x = 150,981,758.82
5. Step 5: Solve for x
   x = 150,981,758.82/19,116.54
6. Step 6: Final answer
   x = 7,897.96