Finding the Fourth Proportional to 8,111.24, 11,187.94 and 4,969

Step by Step Solution

1. Step 1: Write the proportion equation
   8,111.24 : 11,187.94 = 4,969 : x
2. Step 2: Convert to fraction form
   8,111.24/11,187.94 = 4,969/x
3. Step 3: Cross multiply
   8,111.24x = 11,187.94 × 4,969
4. Step 4: Simplify right side
   8,111.24x = 55,592,873.86
5. Step 5: Solve for x
   x = 55,592,873.86/8,111.24
6. Step 6: Final answer
   x = 6,853.81