Finding the Fourth Proportional to 220,111.43, 303,758.63 and 123,322.43

Step by Step Solution

1. Step 1: Write the proportion equation
   220,111.43 : 303,758.63 = 123,322.43 : x
2. Step 2: Convert to fraction form
   220,111.43/303,758.63 = 123,322.43/x
3. Step 3: Cross multiply
   220,111.43x = 303,758.63 × 123,322.43
4. Step 4: Simplify right side
   220,111.43x = 37,460,250,249.67
5. Step 5: Solve for x
   x = 37,460,250,249.67/220,111.43
6. Step 6: Final answer
   x = 170,187.67