Finding the Fourth Proportional to 89,137.18, 133,688.49 and 33,737.50

Step by Step Solution

1. Step 1: Write the proportion equation
   89,137.18 : 133,688.49 = 33,737.50 : x
2. Step 2: Convert to fraction form
   89,137.18/133,688.49 = 33,737.50/x
3. Step 3: Cross multiply
   89,137.18x = 133,688.49 × 33,737.50
4. Step 4: Simplify right side
   89,137.18x = 4,510,315,431.38
5. Step 5: Solve for x
   x = 4,510,315,431.38/89,137.18
6. Step 6: Final answer
   x = 50,599.71