Finding the Fourth Proportional to 9,267.68, 12,789.42 and 5,018.79

Step by Step Solution

1. Step 1: Write the proportion equation
   9,267.68 : 12,789.42 = 5,018.79 : x
2. Step 2: Convert to fraction form
   9,267.68/12,789.42 = 5,018.79/x
3. Step 3: Cross multiply
   9,267.68x = 12,789.42 × 5,018.79
4. Step 4: Simplify right side
   9,267.68x = 64,187,413.20
5. Step 5: Solve for x
   x = 64,187,413.20/9,267.68
6. Step 6: Final answer
   x = 6,925.94