Finding the Fourth Proportional to 16,261.34, 22,413.79 and 10,881.86

Step by Step Solution

1. Step 1: Write the proportion equation
   16,261.34 : 22,413.79 = 10,881.86 : x
2. Step 2: Convert to fraction form
   16,261.34/22,413.79 = 10,881.86/x
3. Step 3: Cross multiply
   16,261.34x = 22,413.79 × 10,881.86
4. Step 4: Simplify right side
   16,261.34x = 243,903,626.38
5. Step 5: Solve for x
   x = 243,903,626.38/16,261.34
6. Step 6: Final answer
   x = 14,998.99