Finding the Fourth Proportional to 14,189.54, 19,581.32 and 7,816.73

Step by Step Solution

1. Step 1: Write the proportion equation
   14,189.54 : 19,581.32 = 7,816.73 : x
2. Step 2: Convert to fraction form
   14,189.54/19,581.32 = 7,816.73/x
3. Step 3: Cross multiply
   14,189.54x = 19,581.32 × 7,816.73
4. Step 4: Simplify right side
   14,189.54x = 153,061,891.48
5. Step 5: Solve for x
   x = 153,061,891.48/14,189.54
6. Step 6: Final answer
   x = 10,786.96