Finding the Fourth Proportional to 89,164.82, 133,745.90 and 21,697.49

Step by Step Solution

1. Step 1: Write the proportion equation
   89,164.82 : 133,745.90 = 21,697.49 : x
2. Step 2: Convert to fraction form
   89,164.82/133,745.90 = 21,697.49/x
3. Step 3: Cross multiply
   89,164.82x = 133,745.90 × 21,697.49
4. Step 4: Simplify right side
   89,164.82x = 2,901,949,550.57
5. Step 5: Solve for x
   x = 2,901,949,550.57/89,164.82
6. Step 6: Final answer
   x = 32,545.90