Finding the Fourth Proportional to 19,279.95, 28,924.17 and 8,196.12

Step by Step Solution

1. Step 1: Write the proportion equation
   19,279.95 : 28,924.17 = 8,196.12 : x
2. Step 2: Convert to fraction form
   19,279.95/28,924.17 = 8,196.12/x
3. Step 3: Cross multiply
   19,279.95x = 28,924.17 × 8,196.12
4. Step 4: Simplify right side
   19,279.95x = 237,065,968.22
5. Step 5: Solve for x
   x = 237,065,968.22/19,279.95
6. Step 6: Final answer
   x = 12,295.98