Finding the Fourth Proportional to 8,111.10, 11,193.33 and 4,385.10

Step by Step Solution

1. Step 1: Write the proportion equation
   8,111.10 : 11,193.33 = 4,385.10 : x
2. Step 2: Convert to fraction form
   8,111.10/11,193.33 = 4,385.10/x
3. Step 3: Cross multiply
   8,111.10x = 11,193.33 × 4,385.10
4. Step 4: Simplify right side
   8,111.10x = 49,083,793.49
5. Step 5: Solve for x
   x = 49,083,793.49/8,111.10
6. Step 6: Final answer
   x = 6,051.44