Finding the Fourth Proportional to 2,257.02, 3,114.70 and 1,262.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,257.02 : 3,114.70 = 1,262.30 : x
2. Step 2: Convert to fraction form
   2,257.02/3,114.70 = 1,262.30/x
3. Step 3: Cross multiply
   2,257.02x = 3,114.70 × 1,262.30
4. Step 4: Simplify right side
   2,257.02x = 3,931,685.81
5. Step 5: Solve for x
   x = 3,931,685.81/2,257.02
6. Step 6: Final answer
   x = 1,741.98