Finding the Fourth Proportional to 89,674.25, 123,809.99 and 55,733.36

Step by Step Solution

1. Step 1: Write the proportion equation
   89,674.25 : 123,809.99 = 55,733.36 : x
2. Step 2: Convert to fraction form
   89,674.25/123,809.99 = 55,733.36/x
3. Step 3: Cross multiply
   89,674.25x = 123,809.99 × 55,733.36
4. Step 4: Simplify right side
   89,674.25x = 6,900,345,846.55
5. Step 5: Solve for x
   x = 6,900,345,846.55/89,674.25
6. Step 6: Final answer
   x = 76,949.03