Finding the Fourth Proportional to 14,496.48, 19,998.72 and 8,910.72

Step by Step Solution

1. Step 1: Write the proportion equation
   14,496.48 : 19,998.72 = 8,910.72 : x
2. Step 2: Convert to fraction form
   14,496.48/19,998.72 = 8,910.72/x
3. Step 3: Cross multiply
   14,496.48x = 19,998.72 × 8,910.72
4. Step 4: Simplify right side
   14,496.48x = 178,202,994.28
5. Step 5: Solve for x
   x = 178,202,994.28/14,496.48
6. Step 6: Final answer
   x = 12,292.85