Finding the Fourth Proportional to 89,647.39, 134,485.69 and 26,473.91

Step by Step Solution

1. Step 1: Write the proportion equation
   89,647.39 : 134,485.69 = 26,473.91 : x
2. Step 2: Convert to fraction form
   89,647.39/134,485.69 = 26,473.91/x
3. Step 3: Cross multiply
   89,647.39x = 134,485.69 × 26,473.91
4. Step 4: Simplify right side
   89,647.39x = 3,560,361,469.54
5. Step 5: Solve for x
   x = 3,560,361,469.54/89,647.39
6. Step 6: Final answer
   x = 39,715.17