Finding the Fourth Proportional to 8,137.86, 12,208.56 and 3,461.86

Step by Step Solution

1. Step 1: Write the proportion equation
   8,137.86 : 12,208.56 = 3,461.86 : x
2. Step 2: Convert to fraction form
   8,137.86/12,208.56 = 3,461.86/x
3. Step 3: Cross multiply
   8,137.86x = 12,208.56 × 3,461.86
4. Step 4: Simplify right side
   8,137.86x = 42,264,325.52
5. Step 5: Solve for x
   x = 42,264,325.52/8,137.86
6. Step 6: Final answer
   x = 5,193.54