Finding the Fourth Proportional to 2,019.50, 2,769.52 and 1,935.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019.50 : 2,769.52 = 1,935.31 : x
2. Step 2: Convert to fraction form
   2,019.50/2,769.52 = 1,935.31/x
3. Step 3: Cross multiply
   2,019.50x = 2,769.52 × 1,935.31
4. Step 4: Simplify right side
   2,019.50x = 5,359,879.75
5. Step 5: Solve for x
   x = 5,359,879.75/2,019.50
6. Step 6: Final answer
   x = 2,654.06