Finding the Fourth Proportional to 11,146.56, 16,595.58 and 10,991.52

Step by Step Solution

1. Step 1: Write the proportion equation
   11,146.56 : 16,595.58 = 10,991.52 : x
2. Step 2: Convert to fraction form
   11,146.56/16,595.58 = 10,991.52/x
3. Step 3: Cross multiply
   11,146.56x = 16,595.58 × 10,991.52
4. Step 4: Simplify right side
   11,146.56x = 182,410,649.48
5. Step 5: Solve for x
   x = 182,410,649.48/11,146.56
6. Step 6: Final answer
   x = 16,364.75