Finding the Fourth Proportional to 1,856.42, 2,562.52 and 1,266.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,856.42 : 2,562.52 = 1,266.53 : x
2. Step 2: Convert to fraction form
   1,856.42/2,562.52 = 1,266.53/x
3. Step 3: Cross multiply
   1,856.42x = 2,562.52 × 1,266.53
4. Step 4: Simplify right side
   1,856.42x = 3,245,508.46
5. Step 5: Solve for x
   x = 3,245,508.46/1,856.42
6. Step 6: Final answer
   x = 1,748.27