Finding the Fourth Proportional to 89,406.14, 123,434.65 and 59,217.33

Step by Step Solution

1. Step 1: Write the proportion equation
   89,406.14 : 123,434.65 = 59,217.33 : x
2. Step 2: Convert to fraction form
   89,406.14/123,434.65 = 59,217.33/x
3. Step 3: Cross multiply
   89,406.14x = 123,434.65 × 59,217.33
4. Step 4: Simplify right side
   89,406.14x = 7,309,470,939.39
5. Step 5: Solve for x
   x = 7,309,470,939.39/89,406.14
6. Step 6: Final answer
   x = 81,755.81