Finding the Fourth Proportional to 89,767.50, 123,887.79 and 50,023.50

Step by Step Solution

1. Step 1: Write the proportion equation
   89,767.50 : 123,887.79 = 50,023.50 : x
2. Step 2: Convert to fraction form
   89,767.50/123,887.79 = 50,023.50/x
3. Step 3: Cross multiply
   89,767.50x = 123,887.79 × 50,023.50
4. Step 4: Simplify right side
   89,767.50x = 6,197,300,863.07
5. Step 5: Solve for x
   x = 6,197,300,863.07/89,767.50
6. Step 6: Final answer
   x = 69,037.24