Finding the Fourth Proportional to 11,942.74, 16,443.34 and 10,835.57

Step by Step Solution

1. Step 1: Write the proportion equation
   11,942.74 : 16,443.34 = 10,835.57 : x
2. Step 2: Convert to fraction form
   11,942.74/16,443.34 = 10,835.57/x
3. Step 3: Cross multiply
   11,942.74x = 16,443.34 × 10,835.57
4. Step 4: Simplify right side
   11,942.74x = 178,172,975.62
5. Step 5: Solve for x
   x = 178,172,975.62/11,942.74
6. Step 6: Final answer
   x = 14,918.93