Finding the Fourth Proportional to 14,067.13, 19,413.24 and 7,779.50

Step by Step Solution

1. Step 1: Write the proportion equation
   14,067.13 : 19,413.24 = 7,779.50 : x
2. Step 2: Convert to fraction form
   14,067.13/19,413.24 = 7,779.50/x
3. Step 3: Cross multiply
   14,067.13x = 19,413.24 × 7,779.50
4. Step 4: Simplify right side
   14,067.13x = 151,025,300.58
5. Step 5: Solve for x
   x = 151,025,300.58/14,067.13
6. Step 6: Final answer
   x = 10,736.04