Finding the Fourth Proportional to 100,196.80, 150,312.51 and 33,643.35

Step by Step Solution

1. Step 1: Write the proportion equation
   100,196.80 : 150,312.51 = 33,643.35 : x
2. Step 2: Convert to fraction form
   100,196.80/150,312.51 = 33,643.35/x
3. Step 3: Cross multiply
   100,196.80x = 150,312.51 × 33,643.35
4. Step 4: Simplify right side
   100,196.80x = 5,057,016,383.31
5. Step 5: Solve for x
   x = 5,057,016,383.31/100,196.80
6. Step 6: Final answer
   x = 50,470.84