Finding the Fourth Proportional to 14,288.05, 19,717.32 and 7,914.61

Step by Step Solution

1. Step 1: Write the proportion equation
   14,288.05 : 19,717.32 = 7,914.61 : x
2. Step 2: Convert to fraction form
   14,288.05/19,717.32 = 7,914.61/x
3. Step 3: Cross multiply
   14,288.05x = 19,717.32 × 7,914.61
4. Step 4: Simplify right side
   14,288.05x = 156,054,952.37
5. Step 5: Solve for x
   x = 156,054,952.37/14,288.05
6. Step 6: Final answer
   x = 10,922.06