Finding the Fourth Proportional to 103,689.41, 155,558.81 and 33,568.72

Step by Step Solution

1. Step 1: Write the proportion equation
   103,689.41 : 155,558.81 = 33,568.72 : x
2. Step 2: Convert to fraction form
   103,689.41/155,558.81 = 33,568.72/x
3. Step 3: Cross multiply
   103,689.41x = 155,558.81 × 33,568.72
4. Step 4: Simplify right side
   103,689.41x = 5,221,909,831.45
5. Step 5: Solve for x
   x = 5,221,909,831.45/103,689.41
6. Step 6: Final answer
   x = 50,361.07