Finding the Fourth Proportional to 11,257.89, 16,881.82 and 5,991.77

Step by Step Solution

1. Step 1: Write the proportion equation
   11,257.89 : 16,881.82 = 5,991.77 : x
2. Step 2: Convert to fraction form
   11,257.89/16,881.82 = 5,991.77/x
3. Step 3: Cross multiply
   11,257.89x = 16,881.82 × 5,991.77
4. Step 4: Simplify right side
   11,257.89x = 101,152,009.85
5. Step 5: Solve for x
   x = 101,152,009.85/11,257.89
6. Step 6: Final answer
   x = 8,984.99