Finding the Fourth Proportional to 223,825.24, 308,869.50 and 123,216.76

Step by Step Solution

1. Step 1: Write the proportion equation
   223,825.24 : 308,869.50 = 123,216.76 : x
2. Step 2: Convert to fraction form
   223,825.24/308,869.50 = 123,216.76/x
3. Step 3: Cross multiply
   223,825.24x = 308,869.50 × 123,216.76
4. Step 4: Simplify right side
   223,825.24x = 38,057,899,052.82
5. Step 5: Solve for x
   x = 38,057,899,052.82/223,825.24
6. Step 6: Final answer
   x = 170,033.99