Finding the Fourth Proportional to 14,168.39, 19,554.56 and 8,791.78

Step by Step Solution

1. Step 1: Write the proportion equation
   14,168.39 : 19,554.56 = 8,791.78 : x
2. Step 2: Convert to fraction form
   14,168.39/19,554.56 = 8,791.78/x
3. Step 3: Cross multiply
   14,168.39x = 19,554.56 × 8,791.78
4. Step 4: Simplify right side
   14,168.39x = 171,919,470.76
5. Step 5: Solve for x
   x = 171,919,470.76/14,168.39
6. Step 6: Final answer
   x = 12,134.02