Finding the Fourth Proportional to 14,238.34, 19,648.82 and 7,865.36

Step by Step Solution

1. Step 1: Write the proportion equation
   14,238.34 : 19,648.82 = 7,865.36 : x
2. Step 2: Convert to fraction form
   14,238.34/19,648.82 = 7,865.36/x
3. Step 3: Cross multiply
   14,238.34x = 19,648.82 × 7,865.36
4. Step 4: Simplify right side
   14,238.34x = 154,545,146.05
5. Step 5: Solve for x
   x = 154,545,146.05/14,238.34
6. Step 6: Final answer
   x = 10,854.16