Finding the Fourth Proportional to 2,019.50, 3,029.25 and 538.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019.50 : 3,029.25 = 538.73 : x
2. Step 2: Convert to fraction form
   2,019.50/3,029.25 = 538.73/x
3. Step 3: Cross multiply
   2,019.50x = 3,029.25 × 538.73
4. Step 4: Simplify right side
   2,019.50x = 1,631,936.49
5. Step 5: Solve for x
   x = 1,631,936.49/2,019.50
6. Step 6: Final answer
   x = 808.09