Finding the Fourth Proportional to 19,189.87, 28,788.69 and 8,096.59

Step by Step Solution

1. Step 1: Write the proportion equation
   19,189.87 : 28,788.69 = 8,096.59 : x
2. Step 2: Convert to fraction form
   19,189.87/28,788.69 = 8,096.59/x
3. Step 3: Cross multiply
   19,189.87x = 28,788.69 × 8,096.59
4. Step 4: Simplify right side
   19,189.87x = 233,090,035.14
5. Step 5: Solve for x
   x = 233,090,035.14/19,189.87
6. Step 6: Final answer
   x = 12,146.51