Finding the Fourth Proportional to 11,111.38, 16,569.06 and 11,011.37

Step by Step Solution

1. Step 1: Write the proportion equation
   11,111.38 : 16,569.06 = 11,011.37 : x
2. Step 2: Convert to fraction form
   11,111.38/16,569.06 = 11,011.37/x
3. Step 3: Cross multiply
   11,111.38x = 16,569.06 × 11,011.37
4. Step 4: Simplify right side
   11,111.38x = 182,448,036.58
5. Step 5: Solve for x
   x = 182,448,036.58/11,111.38
6. Step 6: Final answer
   x = 16,419.92