Finding the Fourth Proportional to 13,513.92, 18,648.86 and 7,546.14

Step by Step Solution

1. Step 1: Write the proportion equation
   13,513.92 : 18,648.86 = 7,546.14 : x
2. Step 2: Convert to fraction form
   13,513.92/18,648.86 = 7,546.14/x
3. Step 3: Cross multiply
   13,513.92x = 18,648.86 × 7,546.14
4. Step 4: Simplify right side
   13,513.92x = 140,726,908.40
5. Step 5: Solve for x
   x = 140,726,908.40/13,513.92
6. Step 6: Final answer
   x = 10,413.48