Finding the Fourth Proportional to 103,688.55, 155,552.03 and 33,570.15

Step by Step Solution

1. Step 1: Write the proportion equation
   103,688.55 : 155,552.03 = 33,570.15 : x
2. Step 2: Convert to fraction form
   103,688.55/155,552.03 = 33,570.15/x
3. Step 3: Cross multiply
   103,688.55x = 155,552.03 × 33,570.15
4. Step 4: Simplify right side
   103,688.55x = 5,221,904,979.90
5. Step 5: Solve for x
   x = 5,221,904,979.90/103,688.55
6. Step 6: Final answer
   x = 50,361.44