Finding the Fourth Proportional to 6,911.86, 10,359.69 and 3,403.48

Step by Step Solution

1. Step 1: Write the proportion equation
   6,911.86 : 10,359.69 = 3,403.48 : x
2. Step 2: Convert to fraction form
   6,911.86/10,359.69 = 3,403.48/x
3. Step 3: Cross multiply
   6,911.86x = 10,359.69 × 3,403.48
4. Step 4: Simplify right side
   6,911.86x = 35,258,997.72
5. Step 5: Solve for x
   x = 35,258,997.72/6,911.86
6. Step 6: Final answer
   x = 5,101.23