Finding the Fourth Proportional to 89,651.57, 134,498.42 and 50,235.89

Step by Step Solution

1. Step 1: Write the proportion equation
   89,651.57 : 134,498.42 = 50,235.89 : x
2. Step 2: Convert to fraction form
   89,651.57/134,498.42 = 50,235.89/x
3. Step 3: Cross multiply
   89,651.57x = 134,498.42 × 50,235.89
4. Step 4: Simplify right side
   89,651.57x = 6,756,647,581.11
5. Step 5: Solve for x
   x = 6,756,647,581.11/89,651.57
6. Step 6: Final answer
   x = 75,365.64