Finding the Fourth Proportional to 10,741.69, 16,111.88 and 6,386.86

Step by Step Solution

1. Step 1: Write the proportion equation
   10,741.69 : 16,111.88 = 6,386.86 : x
2. Step 2: Convert to fraction form
   10,741.69/16,111.88 = 6,386.86/x
3. Step 3: Cross multiply
   10,741.69x = 16,111.88 × 6,386.86
4. Step 4: Simplify right side
   10,741.69x = 102,904,305.57
5. Step 5: Solve for x
   x = 102,904,305.57/10,741.69
6. Step 6: Final answer
   x = 9,579.90