Finding the Fourth Proportional to 19,191.87, 28,791.69 and 8,098.59

Step by Step Solution

1. Step 1: Write the proportion equation
   19,191.87 : 28,791.69 = 8,098.59 : x
2. Step 2: Convert to fraction form
   19,191.87/28,791.69 = 8,098.59/x
3. Step 3: Cross multiply
   19,191.87x = 28,791.69 × 8,098.59
4. Step 4: Simplify right side
   19,191.87x = 233,172,092.72
5. Step 5: Solve for x
   x = 233,172,092.72/19,191.87
6. Step 6: Final answer
   x = 12,149.52