Finding the Fourth Proportional to 11,059.57, 16,595.84 and 7,936.21

Step by Step Solution

1. Step 1: Write the proportion equation
   11,059.57 : 16,595.84 = 7,936.21 : x
2. Step 2: Convert to fraction form
   11,059.57/16,595.84 = 7,936.21/x
3. Step 3: Cross multiply
   11,059.57x = 16,595.84 × 7,936.21
4. Step 4: Simplify right side
   11,059.57x = 131,708,071.37
5. Step 5: Solve for x
   x = 131,708,071.37/11,059.57
6. Step 6: Final answer
   x = 11,908.97