Finding the Fourth Proportional to 89,443.08, 123,424.22 and 51,719.76

Step by Step Solution

1. Step 1: Write the proportion equation
   89,443.08 : 123,424.22 = 51,719.76 : x
2. Step 2: Convert to fraction form
   89,443.08/123,424.22 = 51,719.76/x
3. Step 3: Cross multiply
   89,443.08x = 123,424.22 × 51,719.76
4. Step 4: Simplify right side
   89,443.08x = 6,383,471,036.59
5. Step 5: Solve for x
   x = 6,383,471,036.59/89,443.08
6. Step 6: Final answer
   x = 71,369.09