Finding the Fourth Proportional to 11,111.07, 16,568.59 and 11,011.06

Step by Step Solution

1. Step 1: Write the proportion equation
   11,111.07 : 16,568.59 = 11,011.06 : x
2. Step 2: Convert to fraction form
   11,111.07/16,568.59 = 11,011.06/x
3. Step 3: Cross multiply
   11,111.07x = 16,568.59 × 11,011.06
4. Step 4: Simplify right side
   11,111.07x = 182,437,738.61
5. Step 5: Solve for x
   x = 182,437,738.61/11,111.07
6. Step 6: Final answer
   x = 16,419.46