Finding the Fourth Proportional to 103,365.86, 155,063.38 and 33,228.78

Step by Step Solution

1. Step 1: Write the proportion equation
   103,365.86 : 155,063.38 = 33,228.78 : x
2. Step 2: Convert to fraction form
   103,365.86/155,063.38 = 33,228.78/x
3. Step 3: Cross multiply
   103,365.86x = 155,063.38 × 33,228.78
4. Step 4: Simplify right side
   103,365.86x = 5,152,566,940.08
5. Step 5: Solve for x
   x = 5,152,566,940.08/103,365.86
6. Step 6: Final answer
   x = 49,847.86