Finding the Fourth Proportional to 450,105.34, 675,057.56 and 134,521.24

Step by Step Solution

1. Step 1: Write the proportion equation
   450,105.34 : 675,057.56 = 134,521.24 : x
2. Step 2: Convert to fraction form
   450,105.34/675,057.56 = 134,521.24/x
3. Step 3: Cross multiply
   450,105.34x = 675,057.56 × 134,521.24
4. Step 4: Simplify right side
   450,105.34x = 90,809,580,042.57
5. Step 5: Solve for x
   x = 90,809,580,042.57/450,105.34
6. Step 6: Final answer
   x = 201,751.84