Finding the Fourth Proportional to 2,040.90, 3,057.50 and 1,763.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,040.90 : 3,057.50 = 1,763.88 : x
2. Step 2: Convert to fraction form
   2,040.90/3,057.50 = 1,763.88/x
3. Step 3: Cross multiply
   2,040.90x = 3,057.50 × 1,763.88
4. Step 4: Simplify right side
   2,040.90x = 5,393,063.10
5. Step 5: Solve for x
   x = 5,393,063.10/2,040.90
6. Step 6: Final answer
   x = 2,642.49