Finding the Fourth Proportional to 11,732.22, 16,196.49 and 10,139.76

Step by Step Solution

1. Step 1: Write the proportion equation
   11,732.22 : 16,196.49 = 10,139.76 : x
2. Step 2: Convert to fraction form
   11,732.22/16,196.49 = 10,139.76/x
3. Step 3: Cross multiply
   11,732.22x = 16,196.49 × 10,139.76
4. Step 4: Simplify right side
   11,732.22x = 164,228,521.44
5. Step 5: Solve for x
   x = 164,228,521.44/11,732.22
6. Step 6: Final answer
   x = 13,998.08