Finding the Fourth Proportional to 14,311.95, 19,751.61 and 7,939.14

Step by Step Solution

1. Step 1: Write the proportion equation
   14,311.95 : 19,751.61 = 7,939.14 : x
2. Step 2: Convert to fraction form
   14,311.95/19,751.61 = 7,939.14/x
3. Step 3: Cross multiply
   14,311.95x = 19,751.61 × 7,939.14
4. Step 4: Simplify right side
   14,311.95x = 156,810,797.02
5. Step 5: Solve for x
   x = 156,810,797.02/14,311.95
6. Step 6: Final answer
   x = 10,956.63