Finding the Fourth Proportional to 8,141.37, 12,202.73 and 3,454.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,141.37 : 12,202.73 = 3,454.50 : x
2. Step 2: Convert to fraction form
   8,141.37/12,202.73 = 3,454.50/x
3. Step 3: Cross multiply
   8,141.37x = 12,202.73 × 3,454.50
4. Step 4: Simplify right side
   8,141.37x = 42,154,330.79
5. Step 5: Solve for x
   x = 42,154,330.79/8,141.37
6. Step 6: Final answer
   x = 5,177.79