Finding the Fourth Proportional to 14,226.86, 19,633.56 and 7,940.42

Step by Step Solution

1. Step 1: Write the proportion equation
   14,226.86 : 19,633.56 = 7,940.42 : x
2. Step 2: Convert to fraction form
   14,226.86/19,633.56 = 7,940.42/x
3. Step 3: Cross multiply
   14,226.86x = 19,633.56 × 7,940.42
4. Step 4: Simplify right side
   14,226.86x = 155,898,712.50
5. Step 5: Solve for x
   x = 155,898,712.50/14,226.86
6. Step 6: Final answer
   x = 10,958.05