Finding the Fourth Proportional to 6,103.92, 8,420.37 and 4,111.02

Step by Step Solution

1. Step 1: Write the proportion equation
   6,103.92 : 8,420.37 = 4,111.02 : x
2. Step 2: Convert to fraction form
   6,103.92/8,420.37 = 4,111.02/x
3. Step 3: Cross multiply
   6,103.92x = 8,420.37 × 4,111.02
4. Step 4: Simplify right side
   6,103.92x = 34,616,317.19
5. Step 5: Solve for x
   x = 34,616,317.19/6,103.92
6. Step 6: Final answer
   x = 5,671.16