Finding the Fourth Proportional to 11,469.86, 17,181.34 and 6,775.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,469.86 : 17,181.34 = 6,775.72 : x
2. Step 2: Convert to fraction form
   11,469.86/17,181.34 = 6,775.72/x
3. Step 3: Cross multiply
   11,469.86x = 17,181.34 × 6,775.72
4. Step 4: Simplify right side
   11,469.86x = 116,415,949.06
5. Step 5: Solve for x
   x = 116,415,949.06/11,469.86
6. Step 6: Final answer
   x = 10,149.73