Finding the Fourth Proportional to 89,219.83, 123,111.94 and 50,981.81

Step by Step Solution

1. Step 1: Write the proportion equation
   89,219.83 : 123,111.94 = 50,981.81 : x
2. Step 2: Convert to fraction form
   89,219.83/123,111.94 = 50,981.81/x
3. Step 3: Cross multiply
   89,219.83x = 123,111.94 × 50,981.81
4. Step 4: Simplify right side
   89,219.83x = 6,276,469,278.90
5. Step 5: Solve for x
   x = 6,276,469,278.90/89,219.83
6. Step 6: Final answer
   x = 70,348.37