Finding the Fourth Proportional to 2,019.38, 2,780.06 and 1,757.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019.38 : 2,780.06 = 1,757.34 : x
2. Step 2: Convert to fraction form
   2,019.38/2,780.06 = 1,757.34/x
3. Step 3: Cross multiply
   2,019.38x = 2,780.06 × 1,757.34
4. Step 4: Simplify right side
   2,019.38x = 4,885,501.85
5. Step 5: Solve for x
   x = 4,885,501.85/2,019.38
6. Step 6: Final answer
   x = 2,419.31