Finding the Fourth Proportional to 8,093.78, 12,140.22 and 3,411.80

Step by Step Solution

1. Step 1: Write the proportion equation
   8,093.78 : 12,140.22 = 3,411.80 : x
2. Step 2: Convert to fraction form
   8,093.78/12,140.22 = 3,411.80/x
3. Step 3: Cross multiply
   8,093.78x = 12,140.22 × 3,411.80
4. Step 4: Simplify right side
   8,093.78x = 41,420,002.60
5. Step 5: Solve for x
   x = 41,420,002.60/8,093.78
6. Step 6: Final answer
   x = 5,117.51