Finding the Fourth Proportional to 14,238.91, 19,650.25 and 7,865.83

Step by Step Solution

1. Step 1: Write the proportion equation
   14,238.91 : 19,650.25 = 7,865.83 : x
2. Step 2: Convert to fraction form
   14,238.91/19,650.25 = 7,865.83/x
3. Step 3: Cross multiply
   14,238.91x = 19,650.25 × 7,865.83
4. Step 4: Simplify right side
   14,238.91x = 154,565,388.38
5. Step 5: Solve for x
   x = 154,565,388.38/14,238.91
6. Step 6: Final answer
   x = 10,855.15