Finding the Fourth Proportional to 2,257.00, 3,114.72 and 1,262.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,257.00 : 3,114.72 = 1,262.21 : x
2. Step 2: Convert to fraction form
   2,257.00/3,114.72 = 1,262.21/x
3. Step 3: Cross multiply
   2,257.00x = 3,114.72 × 1,262.21
4. Step 4: Simplify right side
   2,257.00x = 3,931,415.16
5. Step 5: Solve for x
   x = 3,931,415.16/2,257.00
6. Step 6: Final answer
   x = 1,741.88