Finding the Fourth Proportional to 103,631.60, 155,443.62 and 33,509

Step by Step Solution

1. Step 1: Write the proportion equation
   103,631.60 : 155,443.62 = 33,509 : x
2. Step 2: Convert to fraction form
   103,631.60/155,443.62 = 33,509/x
3. Step 3: Cross multiply
   103,631.60x = 155,443.62 × 33,509
4. Step 4: Simplify right side
   103,631.60x = 5,208,760,262.58
5. Step 5: Solve for x
   x = 5,208,760,262.58/103,631.60
6. Step 6: Final answer
   x = 50,262.28