Finding the Fourth Proportional to 14,227.86, 19,634.46 and 7,940.22

Step by Step Solution

1. Step 1: Write the proportion equation
   14,227.86 : 19,634.46 = 7,940.22 : x
2. Step 2: Convert to fraction form
   14,227.86/19,634.46 = 7,940.22/x
3. Step 3: Cross multiply
   14,227.86x = 19,634.46 × 7,940.22
4. Step 4: Simplify right side
   14,227.86x = 155,901,931.98
5. Step 5: Solve for x
   x = 155,901,931.98/14,227.86
6. Step 6: Final answer
   x = 10,957.51