Finding the Fourth Proportional to 14,665.59, 20,238.53 and 7,951.23

Step by Step Solution

1. Step 1: Write the proportion equation
   14,665.59 : 20,238.53 = 7,951.23 : x
2. Step 2: Convert to fraction form
   14,665.59/20,238.53 = 7,951.23/x
3. Step 3: Cross multiply
   14,665.59x = 20,238.53 × 7,951.23
4. Step 4: Simplify right side
   14,665.59x = 160,921,167.14
5. Step 5: Solve for x
   x = 160,921,167.14/14,665.59
6. Step 6: Final answer
   x = 10,972.70