Finding the Fourth Proportional to 89,819.88, 134,656.74 and 33,628.50

Step by Step Solution

1. Step 1: Write the proportion equation
   89,819.88 : 134,656.74 = 33,628.50 : x
2. Step 2: Convert to fraction form
   89,819.88/134,656.74 = 33,628.50/x
3. Step 3: Cross multiply
   89,819.88x = 134,656.74 × 33,628.50
4. Step 4: Simplify right side
   89,819.88x = 4,528,304,181.09
5. Step 5: Solve for x
   x = 4,528,304,181.09/89,819.88
6. Step 6: Final answer
   x = 50,415.39