Finding the Fourth Proportional to 14,238.78, 19,648.89 and 7,951.02

Step by Step Solution

1. Step 1: Write the proportion equation
   14,238.78 : 19,648.89 = 7,951.02 : x
2. Step 2: Convert to fraction form
   14,238.78/19,648.89 = 7,951.02/x
3. Step 3: Cross multiply
   14,238.78x = 19,648.89 × 7,951.02
4. Step 4: Simplify right side
   14,238.78x = 156,228,717.37
5. Step 5: Solve for x
   x = 156,228,717.37/14,238.78
6. Step 6: Final answer
   x = 10,972.06