Finding the Fourth Proportional to 2,210.45, 3,050.28 and 1,266.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,210.45 : 3,050.28 = 1,266.25 : x
2. Step 2: Convert to fraction form
   2,210.45/3,050.28 = 1,266.25/x
3. Step 3: Cross multiply
   2,210.45x = 3,050.28 × 1,266.25
4. Step 4: Simplify right side
   2,210.45x = 3,862,401.80
5. Step 5: Solve for x
   x = 3,862,401.80/2,210.45
6. Step 6: Final answer
   x = 1,747.34