Finding the Fourth Proportional to 6,111.92, 8,434.46 and 3,317.42

Step by Step Solution

1. Step 1: Write the proportion equation
   6,111.92 : 8,434.46 = 3,317.42 : x
2. Step 2: Convert to fraction form
   6,111.92/8,434.46 = 3,317.42/x
3. Step 3: Cross multiply
   6,111.92x = 8,434.46 × 3,317.42
4. Step 4: Simplify right side
   6,111.92x = 27,980,646.29
5. Step 5: Solve for x
   x = 27,980,646.29/6,111.92
6. Step 6: Final answer
   x = 4,578.05