Finding the Fourth Proportional to 218,604.24, 301,674.88 and 123,112.56

Step by Step Solution

1. Step 1: Write the proportion equation
   218,604.24 : 301,674.88 = 123,112.56 : x
2. Step 2: Convert to fraction form
   218,604.24/301,674.88 = 123,112.56/x
3. Step 3: Cross multiply
   218,604.24x = 301,674.88 × 123,112.56
4. Step 4: Simplify right side
   218,604.24x = 37,139,966,764.49
5. Step 5: Solve for x
   x = 37,139,966,764.49/218,604.24
6. Step 6: Final answer
   x = 169,895.91