Finding the Fourth Proportional to 14,659.79, 20,230.52 and 7,945.42

Step by Step Solution

1. Step 1: Write the proportion equation
   14,659.79 : 20,230.52 = 7,945.42 : x
2. Step 2: Convert to fraction form
   14,659.79/20,230.52 = 7,945.42/x
3. Step 3: Cross multiply
   14,659.79x = 20,230.52 × 7,945.42
4. Step 4: Simplify right side
   14,659.79x = 160,739,978.22
5. Step 5: Solve for x
   x = 160,739,978.22/14,659.79
6. Step 6: Final answer
   x = 10,964.68