Finding the Fourth Proportional to 19,146.30, 28,730.25 and 8,063.34

Step by Step Solution

1. Step 1: Write the proportion equation
   19,146.30 : 28,730.25 = 8,063.34 : x
2. Step 2: Convert to fraction form
   19,146.30/28,730.25 = 8,063.34/x
3. Step 3: Cross multiply
   19,146.30x = 28,730.25 × 8,063.34
4. Step 4: Simplify right side
   19,146.30x = 231,661,774.04
5. Step 5: Solve for x
   x = 231,661,774.04/19,146.30
6. Step 6: Final answer
   x = 12,099.56