Finding the Fourth Proportional to 2,019.62, 2,790.52 and 1,757.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019.62 : 2,790.52 = 1,757.18 : x
2. Step 2: Convert to fraction form
   2,019.62/2,790.52 = 1,757.18/x
3. Step 3: Cross multiply
   2,019.62x = 2,790.52 × 1,757.18
4. Step 4: Simplify right side
   2,019.62x = 4,903,445.93
5. Step 5: Solve for x
   x = 4,903,445.93/2,019.62
6. Step 6: Final answer
   x = 2,427.91