Finding the Fourth Proportional to 11,922.94, 16,458.29 and 7,955.61

Step by Step Solution

1. Step 1: Write the proportion equation
   11,922.94 : 16,458.29 = 7,955.61 : x
2. Step 2: Convert to fraction form
   11,922.94/16,458.29 = 7,955.61/x
3. Step 3: Cross multiply
   11,922.94x = 16,458.29 × 7,955.61
4. Step 4: Simplify right side
   11,922.94x = 130,935,736.51
5. Step 5: Solve for x
   x = 130,935,736.51/11,922.94
6. Step 6: Final answer
   x = 10,981.83