Finding the Fourth Proportional to 6,111.91, 8,434.44 and 3,317.41

Step by Step Solution

1. Step 1: Write the proportion equation
   6,111.91 : 8,434.44 = 3,317.41 : x
2. Step 2: Convert to fraction form
   6,111.91/8,434.44 = 3,317.41/x
3. Step 3: Cross multiply
   6,111.91x = 8,434.44 × 3,317.41
4. Step 4: Simplify right side
   6,111.91x = 27,980,495.60
5. Step 5: Solve for x
   x = 27,980,495.60/6,111.91
6. Step 6: Final answer
   x = 4,578.03