Finding the Fourth Proportional to 14,078.92, 19,429.52 and 7,790.88

Step by Step Solution

1. Step 1: Write the proportion equation
   14,078.92 : 19,429.52 = 7,790.88 : x
2. Step 2: Convert to fraction form
   14,078.92/19,429.52 = 7,790.88/x
3. Step 3: Cross multiply
   14,078.92x = 19,429.52 × 7,790.88
4. Step 4: Simplify right side
   14,078.92x = 151,373,058.78
5. Step 5: Solve for x
   x = 151,373,058.78/14,078.92
6. Step 6: Final answer
   x = 10,751.75