Finding the Fourth Proportional to 19,191.48, 28,791.15 and 8,098.17

Step by Step Solution

1. Step 1: Write the proportion equation
   19,191.48 : 28,791.15 = 8,098.17 : x
2. Step 2: Convert to fraction form
   19,191.48/28,791.15 = 8,098.17/x
3. Step 3: Cross multiply
   19,191.48x = 28,791.15 × 8,098.17
4. Step 4: Simplify right side
   19,191.48x = 233,155,627.20
5. Step 5: Solve for x
   x = 233,155,627.20/19,191.48
6. Step 6: Final answer
   x = 12,148.91