Finding the Fourth Proportional to 19,111.96, 28,674.82 and 8,581.16

Step by Step Solution

1. Step 1: Write the proportion equation
   19,111.96 : 28,674.82 = 8,581.16 : x
2. Step 2: Convert to fraction form
   19,111.96/28,674.82 = 8,581.16/x
3. Step 3: Cross multiply
   19,111.96x = 28,674.82 × 8,581.16
4. Step 4: Simplify right side
   19,111.96x = 246,063,218.39
5. Step 5: Solve for x
   x = 246,063,218.39/19,111.96
6. Step 6: Final answer
   x = 12,874.83