Finding the Fourth Proportional to 89,769.52, 123,905.78 and 53,007.94

Step by Step Solution

1. Step 1: Write the proportion equation
   89,769.52 : 123,905.78 = 53,007.94 : x
2. Step 2: Convert to fraction form
   89,769.52/123,905.78 = 53,007.94/x
3. Step 3: Cross multiply
   89,769.52x = 123,905.78 × 53,007.94
4. Step 4: Simplify right side
   89,769.52x = 6,567,990,439.92
5. Step 5: Solve for x
   x = 6,567,990,439.92/89,769.52
6. Step 6: Final answer
   x = 73,165.04