Finding the Fourth Proportional to 219,815.33, 303,361.43 and 123,028.89

Step by Step Solution

1. Step 1: Write the proportion equation
   219,815.33 : 303,361.43 = 123,028.89 : x
2. Step 2: Convert to fraction form
   219,815.33/303,361.43 = 123,028.89/x
3. Step 3: Cross multiply
   219,815.33x = 303,361.43 × 123,028.89
4. Step 4: Simplify right side
   219,815.33x = 37,322,219,386.57
5. Step 5: Solve for x
   x = 37,322,219,386.57/219,815.33
6. Step 6: Final answer
   x = 169,788.98