Finding the Fourth Proportional to 19,147.32, 28,699.72 and 8,050.74

Step by Step Solution

1. Step 1: Write the proportion equation
   19,147.32 : 28,699.72 = 8,050.74 : x
2. Step 2: Convert to fraction form
   19,147.32/28,699.72 = 8,050.74/x
3. Step 3: Cross multiply
   19,147.32x = 28,699.72 × 8,050.74
4. Step 4: Simplify right side
   19,147.32x = 231,053,983.79
5. Step 5: Solve for x
   x = 231,053,983.79/19,147.32
6. Step 6: Final answer
   x = 12,067.17