Finding the Fourth Proportional to 89,727.81, 123,877.52 and 79,764.27

Step by Step Solution

1. Step 1: Write the proportion equation
   89,727.81 : 123,877.52 = 79,764.27 : x
2. Step 2: Convert to fraction form
   89,727.81/123,877.52 = 79,764.27/x
3. Step 3: Cross multiply
   89,727.81x = 123,877.52 × 79,764.27
4. Step 4: Simplify right side
   89,727.81x = 9,880,999,952.21
5. Step 5: Solve for x
   x = 9,880,999,952.21/89,727.81
6. Step 6: Final answer
   x = 110,121.93