Finding the Fourth Proportional to 89,394.56, 123,350.72 and 51,661.52

Step by Step Solution

1. Step 1: Write the proportion equation
   89,394.56 : 123,350.72 = 51,661.52 : x
2. Step 2: Convert to fraction form
   89,394.56/123,350.72 = 51,661.52/x
3. Step 3: Cross multiply
   89,394.56x = 123,350.72 × 51,661.52
4. Step 4: Simplify right side
   89,394.56x = 6,372,485,688.29
5. Step 5: Solve for x
   x = 6,372,485,688.29/89,394.56
6. Step 6: Final answer
   x = 71,284.94