Finding the Fourth Proportional to 103,688.72, 155,557.72 and 33,568

Step by Step Solution

1. Step 1: Write the proportion equation
   103,688.72 : 155,557.72 = 33,568 : x
2. Step 2: Convert to fraction form
   103,688.72/155,557.72 = 33,568/x
3. Step 3: Cross multiply
   103,688.72x = 155,557.72 × 33,568
4. Step 4: Simplify right side
   103,688.72x = 5,221,761,544.96
5. Step 5: Solve for x
   x = 5,221,761,544.96/103,688.72
6. Step 6: Final answer
   x = 50,359.98