Finding the Fourth Proportional to 89,496.05, 123,523.34 and 56,769.29

Step by Step Solution

1. Step 1: Write the proportion equation
   89,496.05 : 123,523.34 = 56,769.29 : x
2. Step 2: Convert to fraction form
   89,496.05/123,523.34 = 56,769.29/x
3. Step 3: Cross multiply
   89,496.05x = 123,523.34 × 56,769.29
4. Step 4: Simplify right side
   89,496.05x = 7,012,331,871.98
5. Step 5: Solve for x
   x = 7,012,331,871.98/89,496.05
6. Step 6: Final answer
   x = 78,353.54