Finding the Fourth Proportional to 89,685, 134,480.76 and 33,478.88

Step by Step Solution

1. Step 1: Write the proportion equation
   89,685 : 134,480.76 = 33,478.88 : x
2. Step 2: Convert to fraction form
   89,685/134,480.76 = 33,478.88/x
3. Step 3: Cross multiply
   89,685x = 134,480.76 × 33,478.88
4. Step 4: Simplify right side
   89,685x = 4,502,265,058.25
5. Step 5: Solve for x
   x = 4,502,265,058.25/89,685
6. Step 6: Final answer
   x = 50,200.87