Finding the Fourth Proportional to 6,111.86, 8,434.41 and 3,317.36

Step by Step Solution

1. Step 1: Write the proportion equation
   6,111.86 : 8,434.41 = 3,317.36 : x
2. Step 2: Convert to fraction form
   6,111.86/8,434.41 = 3,317.36/x
3. Step 3: Cross multiply
   6,111.86x = 8,434.41 × 3,317.36
4. Step 4: Simplify right side
   6,111.86x = 27,979,974.36
5. Step 5: Solve for x
   x = 27,979,974.36/6,111.86
6. Step 6: Final answer
   x = 4,577.98