Finding the Fourth Proportional to 6,911.61, 10,359.32 and 3,403.23

Step by Step Solution

1. Step 1: Write the proportion equation
   6,911.61 : 10,359.32 = 3,403.23 : x
2. Step 2: Convert to fraction form
   6,911.61/10,359.32 = 3,403.23/x
3. Step 3: Cross multiply
   6,911.61x = 10,359.32 × 3,403.23
4. Step 4: Simplify right side
   6,911.61x = 35,255,131.59
5. Step 5: Solve for x
   x = 35,255,131.59/6,911.61
6. Step 6: Final answer
   x = 5,100.86