Finding the Fourth Proportional to 8,134.05, 12,203.25 and 3,454.34

Step by Step Solution

1. Step 1: Write the proportion equation
   8,134.05 : 12,203.25 = 3,454.34 : x
2. Step 2: Convert to fraction form
   8,134.05/12,203.25 = 3,454.34/x
3. Step 3: Cross multiply
   8,134.05x = 12,203.25 × 3,454.34
4. Step 4: Simplify right side
   8,134.05x = 42,154,113.59
5. Step 5: Solve for x
   x = 42,154,113.59/8,134.05
6. Step 6: Final answer
   x = 5,182.43