Finding the Fourth Proportional to 13,514.34, 18,649.31 and 7,545.86

Step by Step Solution

1. Step 1: Write the proportion equation
   13,514.34 : 18,649.31 = 7,545.86 : x
2. Step 2: Convert to fraction form
   13,514.34/18,649.31 = 7,545.86/x
3. Step 3: Cross multiply
   13,514.34x = 18,649.31 × 7,545.86
4. Step 4: Simplify right side
   13,514.34x = 140,724,951.38
5. Step 5: Solve for x
   x = 140,724,951.38/13,514.34
6. Step 6: Final answer
   x = 10,413.01