Finding the Fourth Proportional to 269,983.53, 404,969.83 and 70,299.50

Step by Step Solution

1. Step 1: Write the proportion equation
   269,983.53 : 404,969.83 = 70,299.50 : x
2. Step 2: Convert to fraction form
   269,983.53/404,969.83 = 70,299.50/x
3. Step 3: Cross multiply
   269,983.53x = 404,969.83 × 70,299.50
4. Step 4: Simplify right side
   269,983.53x = 28,469,174,363.49
5. Step 5: Solve for x
   x = 28,469,174,363.49/269,983.53
6. Step 6: Final answer
   x = 105,447.82