Finding the Fourth Proportional to 11,677.86, 16,092.34 and 8,311.25

Step by Step Solution

1. Step 1: Write the proportion equation
   11,677.86 : 16,092.34 = 8,311.25 : x
2. Step 2: Convert to fraction form
   11,677.86/16,092.34 = 8,311.25/x
3. Step 3: Cross multiply
   11,677.86x = 16,092.34 × 8,311.25
4. Step 4: Simplify right side
   11,677.86x = 133,747,460.83
5. Step 5: Solve for x
   x = 133,747,460.83/11,677.86
6. Step 6: Final answer
   x = 11,453.08