Finding the Fourth Proportional to 11,804.27, 16,216.99 and 10,561.77

Step by Step Solution

1. Step 1: Write the proportion equation
   11,804.27 : 16,216.99 = 10,561.77 : x
2. Step 2: Convert to fraction form
   11,804.27/16,216.99 = 10,561.77/x
3. Step 3: Cross multiply
   11,804.27x = 16,216.99 × 10,561.77
4. Step 4: Simplify right side
   11,804.27x = 171,280,092.07
5. Step 5: Solve for x
   x = 171,280,092.07/11,804.27
6. Step 6: Final answer
   x = 14,510.02