Finding the Fourth Proportional to 14,413.52, 19,890.62 and 7,789.52

Step by Step Solution

1. Step 1: Write the proportion equation
   14,413.52 : 19,890.62 = 7,789.52 : x
2. Step 2: Convert to fraction form
   14,413.52/19,890.62 = 7,789.52/x
3. Step 3: Cross multiply
   14,413.52x = 19,890.62 × 7,789.52
4. Step 4: Simplify right side
   14,413.52x = 154,938,382.30
5. Step 5: Solve for x
   x = 154,938,382.30/14,413.52
6. Step 6: Final answer
   x = 10,749.52