Finding the Fourth Proportional to 14,078.50, 19,426.63 and 8,112.12

Step by Step Solution

1. Step 1: Write the proportion equation
   14,078.50 : 19,426.63 = 8,112.12 : x
2. Step 2: Convert to fraction form
   14,078.50/19,426.63 = 8,112.12/x
3. Step 3: Cross multiply
   14,078.50x = 19,426.63 × 8,112.12
4. Step 4: Simplify right side
   14,078.50x = 157,591,153.76
5. Step 5: Solve for x
   x = 157,591,153.76/14,078.50
6. Step 6: Final answer
   x = 11,193.75