Finding the Fourth Proportional to 11,993.94, 16,557.03 and 8,801.59

Step by Step Solution

1. Step 1: Write the proportion equation
   11,993.94 : 16,557.03 = 8,801.59 : x
2. Step 2: Convert to fraction form
   11,993.94/16,557.03 = 8,801.59/x
3. Step 3: Cross multiply
   11,993.94x = 16,557.03 × 8,801.59
4. Step 4: Simplify right side
   11,993.94x = 145,728,189.68
5. Step 5: Solve for x
   x = 145,728,189.68/11,993.94
6. Step 6: Final answer
   x = 12,150.15