Finding the Fourth Proportional to 14,227.11, 19,634.27 and 7,939.89

Step by Step Solution

1. Step 1: Write the proportion equation
   14,227.11 : 19,634.27 = 7,939.89 : x
2. Step 2: Convert to fraction form
   14,227.11/19,634.27 = 7,939.89/x
3. Step 3: Cross multiply
   14,227.11x = 19,634.27 × 7,939.89
4. Step 4: Simplify right side
   14,227.11x = 155,893,904.33
5. Step 5: Solve for x
   x = 155,893,904.33/14,227.11
6. Step 6: Final answer
   x = 10,957.52